diff --git a/src/lib/libc/stdlib/a64l.c b/src/lib/libc/stdlib/a64l.c
index a68f0a6d..518bdb64 100644
--- a/src/lib/libc/stdlib/a64l.c
+++ b/src/lib/libc/stdlib/a64l.c
@@ -4,15 +4,14 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: a64l.c,v 1.3 1997/08/17 22:58:34 millert Exp $";
+static char *rcsid = "$OpenBSD: a64l.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <errno.h>
 #include <stdlib.h>
 
 long
-a64l(s)
-	const char *s;
+a64l(const char *s)
 {
 	long value, digit, shift;
 	int i;
diff --git a/src/lib/libc/stdlib/abs.c b/src/lib/libc/stdlib/abs.c
index c67ad949..a471ab3a 100644
--- a/src/lib/libc/stdlib/abs.c
+++ b/src/lib/libc/stdlib/abs.c
@@ -28,14 +28,13 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: abs.c,v 1.3 2003/06/02 20:18:37 millert Exp $";
+static char *rcsid = "$OpenBSD: abs.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>
 
 int
-abs(j)
-	int j;
+abs(int j)
 {
 	return(j < 0 ? -j : j);
 }
diff --git a/src/lib/libc/stdlib/atexit.c b/src/lib/libc/stdlib/atexit.c
index 98564d0d..4fd2c573 100644
--- a/src/lib/libc/stdlib/atexit.c
+++ b/src/lib/libc/stdlib/atexit.c
@@ -29,7 +29,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: atexit.c,v 1.7 2002/09/14 22:03:14 dhartmei Exp $";
+static char *rcsid = "$OpenBSD: atexit.c,v 1.8 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -59,11 +59,10 @@ struct atexit *__atexit;
  * Register a function to be performed at exit.
  */
 int
-atexit(fn)
-	void (*fn)();
+atexit(void (*fn)(void))
 {
-	register struct atexit *p = __atexit;
-	register int pgsize = getpagesize();
+	struct atexit *p = __atexit;
+	int pgsize = getpagesize();
 
 	if (pgsize < sizeof(*p))
 		return (-1);
@@ -102,11 +101,10 @@ atexit(fn)
  * Register the cleanup function
  */
 void
-__atexit_register_cleanup(fn)
-	void (*fn)();
+__atexit_register_cleanup(void (*fn)(void))
 {
-	register struct atexit *p = __atexit;
-	register int pgsize = getpagesize();
+	struct atexit *p = __atexit;
+	int pgsize = getpagesize();
 
 	if (pgsize < sizeof(*p))
 		return;
diff --git a/src/lib/libc/stdlib/atof.c b/src/lib/libc/stdlib/atof.c
index dad2b77b..27245302 100644
--- a/src/lib/libc/stdlib/atof.c
+++ b/src/lib/libc/stdlib/atof.c
@@ -28,14 +28,13 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: atof.c,v 1.3 2003/06/02 20:18:37 millert Exp $";
+static char *rcsid = "$OpenBSD: atof.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>
 
 double
-atof(ascii)
-	const char *ascii;
+atof(const char *ascii)
 {
 	return(strtod(ascii, (char **)NULL));
 }
diff --git a/src/lib/libc/stdlib/atoi.c b/src/lib/libc/stdlib/atoi.c
index b1fe789f..ea821ced 100644
--- a/src/lib/libc/stdlib/atoi.c
+++ b/src/lib/libc/stdlib/atoi.c
@@ -28,14 +28,13 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: atoi.c,v 1.3 2003/06/02 20:18:37 millert Exp $";
+static char *rcsid = "$OpenBSD: atoi.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>
 
 int
-atoi(str)
-	const char *str;
+atoi(const char *str)
 {
 	return((int)strtol(str, (char **)NULL, 10));
 }
diff --git a/src/lib/libc/stdlib/atol.c b/src/lib/libc/stdlib/atol.c
index 83adad3e..38236b55 100644
--- a/src/lib/libc/stdlib/atol.c
+++ b/src/lib/libc/stdlib/atol.c
@@ -28,14 +28,13 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: atol.c,v 1.3 2003/06/02 20:18:37 millert Exp $";
+static char *rcsid = "$OpenBSD: atol.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>
 
 long
-atol(str)
-	const char *str;
+atol(const char *str)
 {
 	return(strtol(str, (char **)NULL, 10));
 }
diff --git a/src/lib/libc/stdlib/bsearch.c b/src/lib/libc/stdlib/bsearch.c
index 9bfbf642..109211da 100644
--- a/src/lib/libc/stdlib/bsearch.c
+++ b/src/lib/libc/stdlib/bsearch.c
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: bsearch.c,v 1.4 2003/06/02 20:18:37 millert Exp $";
+static char *rcsid = "$OpenBSD: bsearch.c,v 1.5 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>
@@ -50,16 +50,12 @@ static char *rcsid = "$OpenBSD: bsearch.c,v 1.4 2003/06/02 20:18:37 millert Exp
  * look at item 3.
  */
 void *
-bsearch(key, base0, nmemb, size, compar)
-	register const void *key;
-	const void *base0;
-	size_t nmemb;
-	register size_t size;
-	register int (*compar)(const void *, const void *);
+bsearch(const void *key, const void *base0, size_t nmemb, size_t size,
+    int (*compar)(const void *, const void *))
 {
-	register const char *base = base0;
-	register int lim, cmp;
-	register const void *p;
+	const char *base = base0;
+	int lim, cmp;
+	const void *p;
 
 	for (lim = nmemb; lim != 0; lim >>= 1) {
 		p = base + (lim >> 1) * size;
diff --git a/src/lib/libc/stdlib/calloc.c b/src/lib/libc/stdlib/calloc.c
index b0703cc8..7aabed23 100644
--- a/src/lib/libc/stdlib/calloc.c
+++ b/src/lib/libc/stdlib/calloc.c
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: calloc.c,v 1.8 2003/06/02 20:18:37 millert Exp $";
+static char *rcsid = "$OpenBSD: calloc.c,v 1.9 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>
@@ -37,11 +37,9 @@ static char *rcsid = "$OpenBSD: calloc.c,v 1.8 2003/06/02 20:18:37 millert Exp $
 #include <errno.h>
 
 void *
-calloc(num, size)
-	size_t num;
-	register size_t size;
+calloc(size_t num, size_t size)
 {
-	register void *p;
+	void *p;
 
 	if (num && size && SIZE_T_MAX / num < size) {
 		errno = ENOMEM;
diff --git a/src/lib/libc/stdlib/cfree.c b/src/lib/libc/stdlib/cfree.c
index ecbc11d6..db1fa560 100644
--- a/src/lib/libc/stdlib/cfree.c
+++ b/src/lib/libc/stdlib/cfree.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cfree.c,v 1.3 2003/07/18 23:05:13 david Exp $	*/
+/*	$OpenBSD: cfree.c,v 1.4 2005/03/30 18:51:49 pat Exp $	*/
 
 /*
  * Copyright (c) 1996 SigmaSoft, Th. Lockert <tholo@sigmasoft.com>
@@ -26,7 +26,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: cfree.c,v 1.3 2003/07/18 23:05:13 david Exp $";
+static char rcsid[] = "$OpenBSD: cfree.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/cdefs.h>
@@ -37,8 +37,7 @@ __indr_reference(free, cfree);
 #else
 
 void
-cfree(p)
-	void *p;
+cfree(void *p)
 {
     free(p);
 }
diff --git a/src/lib/libc/stdlib/div.c b/src/lib/libc/stdlib/div.c
index 9e070dcd..32c53dff 100644
--- a/src/lib/libc/stdlib/div.c
+++ b/src/lib/libc/stdlib/div.c
@@ -31,14 +31,13 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: div.c,v 1.3 2003/06/02 20:18:37 millert Exp $";
+static char *rcsid = "$OpenBSD: div.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>		/* div_t */
 
 div_t
-div(num, denom)
-	int num, denom;
+div(int num, int denom)
 {
 	div_t r;
 
diff --git a/src/lib/libc/stdlib/exit.c b/src/lib/libc/stdlib/exit.c
index a75b32ab..a0960e83 100644
--- a/src/lib/libc/stdlib/exit.c
+++ b/src/lib/libc/stdlib/exit.c
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: exit.c,v 1.9 2003/06/02 20:18:37 millert Exp $";
+static char *rcsid = "$OpenBSD: exit.c,v 1.10 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -51,11 +51,10 @@ int     __isthreaded    = 0;
  * Exit, flushing stdio buffers if necessary.
  */
 void
-exit(status)
-	int status;
+exit(int status)
 {
-	register struct atexit *p, *q;
-	register int n, pgsize = getpagesize();
+	struct atexit *p, *q;
+	int n, pgsize = getpagesize();
 
 	if (!__atexit_invalid) {
 		p = __atexit;
diff --git a/src/lib/libc/stdlib/getenv.c b/src/lib/libc/stdlib/getenv.c
index c597e468..7e4d6b91 100644
--- a/src/lib/libc/stdlib/getenv.c
+++ b/src/lib/libc/stdlib/getenv.c
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: getenv.c,v 1.6 2003/06/02 20:18:37 millert Exp $";
+static char *rcsid = "$OpenBSD: getenv.c,v 1.7 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>
@@ -49,9 +49,9 @@ char *
 __findenv(const char *name, int *offset)
 {
 	extern char **environ;
-	register int len, i;
-	register const char *np;
-	register char **p, *cp;
+	int len, i;
+	const char *np;
+	char **p, *cp;
 
 	if (name == NULL || environ == NULL)
 		return (NULL);
@@ -75,8 +75,7 @@ __findenv(const char *name, int *offset)
  *	Returns ptr to value associated with name, if any, else NULL.
  */
 char *
-getenv(name)
-	const char *name;
+getenv(const char *name)
 {
 	int offset;
 
diff --git a/src/lib/libc/stdlib/getopt_long.c b/src/lib/libc/stdlib/getopt_long.c
index bf50195b..6ddc8e20 100644
--- a/src/lib/libc/stdlib/getopt_long.c
+++ b/src/lib/libc/stdlib/getopt_long.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: getopt_long.c,v 1.17 2004/06/03 18:46:52 millert Exp $	*/
+/*	$OpenBSD: getopt_long.c,v 1.18 2005/03/30 18:51:49 pat Exp $	*/
 /*	$NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $	*/
 
 /*
@@ -57,7 +57,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: getopt_long.c,v 1.17 2004/06/03 18:46:52 millert Exp $";
+static char *rcsid = "$OpenBSD: getopt_long.c,v 1.18 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <err.h>
@@ -515,12 +515,8 @@ getopt(int nargc, char * const *nargv, const char *options)
  *	Parse argc/argv argument vector.
  */
 int
-getopt_long(nargc, nargv, options, long_options, idx)
-	int nargc;
-	char * const *nargv;
-	const char *options;
-	const struct option *long_options;
-	int *idx;
+getopt_long(int nargc, char * const *nargv, const char *options,
+    const struct option *long_options, int *idx)
 {
 
 	return (getopt_internal(nargc, nargv, options, long_options, idx,
@@ -532,12 +528,8 @@ getopt_long(nargc, nargv, options, long_options, idx)
  *	Parse argc/argv argument vector.
  */
 int
-getopt_long_only(nargc, nargv, options, long_options, idx)
-	int nargc;
-	char * const *nargv;
-	const char *options;
-	const struct option *long_options;
-	int *idx;
+getopt_long_only(int nargc, char * const *nargv, const char *options,
+    const struct option *long_options, int *idx)
 {
 
 	return (getopt_internal(nargc, nargv, options, long_options, idx,
diff --git a/src/lib/libc/stdlib/getsubopt.c b/src/lib/libc/stdlib/getsubopt.c
index 308458ea..dfd7a50b 100644
--- a/src/lib/libc/stdlib/getsubopt.c
+++ b/src/lib/libc/stdlib/getsubopt.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: getsubopt.c,v 1.2 2003/06/02 20:18:37 millert Exp $	*/
+/*	$OpenBSD: getsubopt.c,v 1.3 2005/03/30 18:51:49 pat Exp $	*/
 
 /*-
  * Copyright (c) 1990, 1993
@@ -33,7 +33,7 @@
 #if 0
 static char sccsid[] = "@(#)getsubopt.c	8.1 (Berkeley) 6/4/93";
 #else
-static char rcsid[] = "$OpenBSD: getsubopt.c,v 1.2 2003/06/02 20:18:37 millert Exp $";
+static char rcsid[] = "$OpenBSD: getsubopt.c,v 1.3 2005/03/30 18:51:49 pat Exp $";
 #endif
 #endif /* not lint */
 
@@ -50,12 +50,10 @@ static char rcsid[] = "$OpenBSD: getsubopt.c,v 1.2 2003/06/02 20:18:37 millert E
 char *suboptarg;
 
 int
-getsubopt(optionp, tokens, valuep)
-	register char **optionp, **valuep;
-	register char * const *tokens;
+getsubopt(char **optionp, char * const *tokens, char **valuep)
 {
-	register int cnt;
-	register char *p;
+	int cnt;
+	char *p;
 
 	suboptarg = *valuep = NULL;
 
diff --git a/src/lib/libc/stdlib/heapsort.c b/src/lib/libc/stdlib/heapsort.c
index f4aeeef7..dcc0c8ba 100644
--- a/src/lib/libc/stdlib/heapsort.c
+++ b/src/lib/libc/stdlib/heapsort.c
@@ -31,7 +31,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: heapsort.c,v 1.6 2003/09/08 16:24:05 deraadt Exp $";
+static char *rcsid = "$OpenBSD: heapsort.c,v 1.7 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -134,13 +134,11 @@ static char *rcsid = "$OpenBSD: heapsort.c,v 1.6 2003/09/08 16:24:05 deraadt Exp
  * only advantage over quicksort is that it requires little additional memory.
  */
 int
-heapsort(vbase, nmemb, size, compar)
-	void *vbase;
-	size_t nmemb, size;
-	int (*compar)(const void *, const void *);
+heapsort(void *vbase, size_t nmemb, size_t size,
+    int (*compar)(const void *, const void *))
 {
-	register int cnt, i, j, l;
-	register char tmp, *tmp1, *tmp2;
+	int cnt, i, j, l;
+	char tmp, *tmp1, *tmp2;
 	char *base, *k, *p, *t;
 
 	if (nmemb <= 1)
diff --git a/src/lib/libc/stdlib/l64a.c b/src/lib/libc/stdlib/l64a.c
index 4e993912..325b41b3 100644
--- a/src/lib/libc/stdlib/l64a.c
+++ b/src/lib/libc/stdlib/l64a.c
@@ -4,15 +4,14 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: l64a.c,v 1.3 1997/08/17 22:58:34 millert Exp $";
+static char *rcsid = "$OpenBSD: l64a.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <errno.h>
 #include <stdlib.h>
 
 char *
-l64a(value)
-	long value;
+l64a(long value)
 {
 	static char buf[8];
 	char *s = buf;
diff --git a/src/lib/libc/stdlib/labs.c b/src/lib/libc/stdlib/labs.c
index 51ef490d..1dc8b018 100644
--- a/src/lib/libc/stdlib/labs.c
+++ b/src/lib/libc/stdlib/labs.c
@@ -28,14 +28,13 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: labs.c,v 1.3 2003/06/02 20:18:37 millert Exp $";
+static char *rcsid = "$OpenBSD: labs.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>
 
 long
-labs(j)
-	long j;
+labs(long j)
 {
 	return(j < 0 ? -j : j);
 }
diff --git a/src/lib/libc/stdlib/ldiv.c b/src/lib/libc/stdlib/ldiv.c
index e005ff77..bbb539a6 100644
--- a/src/lib/libc/stdlib/ldiv.c
+++ b/src/lib/libc/stdlib/ldiv.c
@@ -31,14 +31,13 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: ldiv.c,v 1.3 2003/06/02 20:18:37 millert Exp $";
+static char *rcsid = "$OpenBSD: ldiv.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>		/* ldiv_t */
 
 ldiv_t
-ldiv(num, denom)
-	long num, denom;
+ldiv(long num, long denom)
 {
 	ldiv_t r;
 
diff --git a/src/lib/libc/stdlib/merge.c b/src/lib/libc/stdlib/merge.c
index 1826acc3..b193ae34 100644
--- a/src/lib/libc/stdlib/merge.c
+++ b/src/lib/libc/stdlib/merge.c
@@ -31,7 +31,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: merge.c,v 1.6 2003/06/02 20:18:38 millert Exp $";
+static char *rcsid = "$OpenBSD: merge.c,v 1.7 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 /*
@@ -91,15 +91,12 @@ static void insertionsort(u_char *, size_t, size_t, int (*)());
  * Arguments are as for qsort.
  */
 int
-mergesort(base, nmemb, size, cmp)
-	void *base;
-	size_t nmemb;
-	register size_t size;
-	int (*cmp)(const void *, const void *);
+mergesort(void *base, size_t nmemb, size_t size,
+    int (*cmp)(const void *, const void *))
 {
-	register int i, sense;
+	int i, sense;
 	int big, iflag;
-	register u_char *f1, *f2, *t, *b, *tp2, *q, *l1, *l2;
+	u_char *f1, *f2, *t, *b, *tp2, *q, *l1, *l2;
 	u_char *list2, *list1, *p2, *p, *last, **p1;
 
 	if (size < PSIZE / 2) {		/* Pointers must fit into 2 * size. */
@@ -251,10 +248,8 @@ COPY:	    			b = t;
  * is defined.  Otherwise simple pairwise merging is used.)
  */
 void
-setup(list1, list2, n, size, cmp)
-	size_t n, size;
-	int (*cmp)(const void *, const void *);
-	u_char *list1, *list2;
+setup(u_char *list1, u_char *list2, size_t n, size_t size,
+    int (*cmp)(const void *, const void *))
 {
 	int i, length, size2, tmp, sense;
 	u_char *f1, *f2, *s, *l2, *last, *p2;
@@ -325,10 +320,8 @@ setup(list1, list2, n, size, cmp)
  * last 4 elements.
  */
 static void
-insertionsort(a, n, size, cmp)
-	u_char *a;
-	size_t n, size;
-	int (*cmp)(const void *, const void *);
+insertionsort(u_char *a, size_t n, size_t size,
+    int (*cmp)(const void *, const void *))
 {
 	u_char *ai, *s, *t, *u, tmp;
 	int i;
diff --git a/src/lib/libc/stdlib/putenv.c b/src/lib/libc/stdlib/putenv.c
index 1789e686..231982bf 100644
--- a/src/lib/libc/stdlib/putenv.c
+++ b/src/lib/libc/stdlib/putenv.c
@@ -28,15 +28,14 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: putenv.c,v 1.3 2003/06/02 20:18:38 millert Exp $";
+static char *rcsid = "$OpenBSD: putenv.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>
 #include <string.h>
 
 int
-putenv(str)
-	const char *str;
+putenv(const char *str)
 {
 	char *p, *equal;
 	int rval;
diff --git a/src/lib/libc/stdlib/qabs.c b/src/lib/libc/stdlib/qabs.c
index 296d2d47..4c561b33 100644
--- a/src/lib/libc/stdlib/qabs.c
+++ b/src/lib/libc/stdlib/qabs.c
@@ -28,14 +28,13 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: qabs.c,v 1.3 2003/06/02 20:18:38 millert Exp $";
+static char *rcsid = "$OpenBSD: qabs.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>
 
 quad_t
-qabs(j)
-	quad_t j;
+qabs(quad_t j)
 {
 	return(j < 0 ? -j : j);
 }
diff --git a/src/lib/libc/stdlib/qdiv.c b/src/lib/libc/stdlib/qdiv.c
index 6688ccb7..8147ee89 100644
--- a/src/lib/libc/stdlib/qdiv.c
+++ b/src/lib/libc/stdlib/qdiv.c
@@ -31,14 +31,13 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: qdiv.c,v 1.3 2003/06/02 20:18:38 millert Exp $";
+static char *rcsid = "$OpenBSD: qdiv.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>		/* qdiv_t */
 
 qdiv_t
-qdiv(num, denom)
-	quad_t num, denom;
+qdiv(quad_t num, quad_t denom)
 {
 	qdiv_t r;
 
diff --git a/src/lib/libc/stdlib/qsort.c b/src/lib/libc/stdlib/qsort.c
index 2a972c0e..154c51a8 100644
--- a/src/lib/libc/stdlib/qsort.c
+++ b/src/lib/libc/stdlib/qsort.c
@@ -28,13 +28,13 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: qsort.c,v 1.8 2003/06/02 20:18:38 millert Exp $";
+static char *rcsid = "$OpenBSD: qsort.c,v 1.9 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
 #include <stdlib.h>
 
-static __inline char	*med3(char *, char *, char *, int (*)());
+static __inline char	*med3(char *, char *, char *, int (*)(const void *, const void *));
 static __inline void	 swapfunc(char *, char *, int, int);
 
 #define min(a, b)	(a) < (b) ? a : b
@@ -44,10 +44,10 @@ static __inline void	 swapfunc(char *, char *, int, int);
  */
 #define swapcode(TYPE, parmi, parmj, n) { 		\
 	long i = (n) / sizeof (TYPE); 			\
-	register TYPE *pi = (TYPE *) (parmi); 		\
-	register TYPE *pj = (TYPE *) (parmj); 		\
+	TYPE *pi = (TYPE *) (parmi); 			\
+	TYPE *pj = (TYPE *) (parmj); 			\
 	do { 						\
-		register TYPE	t = *pi;		\
+		TYPE	t = *pi;			\
 		*pi++ = *pj;				\
 		*pj++ = t;				\
         } while (--i > 0);				\
@@ -57,9 +57,7 @@ static __inline void	 swapfunc(char *, char *, int, int);
 	es % sizeof(long) ? 2 : es == sizeof(long)? 0 : 1;
 
 static __inline void
-swapfunc(a, b, n, swaptype)
-	char *a, *b;
-	int n, swaptype;
+swapfunc(char *a, char *b, int n, int swaptype)
 {
 	if (swaptype <= 1) 
 		swapcode(long, a, b, n)
@@ -78,9 +76,7 @@ swapfunc(a, b, n, swaptype)
 #define vecswap(a, b, n) 	if ((n) > 0) swapfunc(a, b, n, swaptype)
 
 static __inline char *
-med3(a, b, c, cmp)
-	char *a, *b, *c;
-	int (*cmp)();
+med3(char *a, char *b, char *c, int (*cmp)(const void *, const void *))
 {
 	return cmp(a, b) < 0 ?
 	       (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a ))
@@ -88,14 +84,11 @@ med3(a, b, c, cmp)
 }
 
 void
-qsort(aa, n, es, cmp)
-	void *aa;
-	size_t n, es;
-	int (*cmp)();
+qsort(void *aa, size_t n, size_t es, int (*cmp)(const void *, const void *))
 {
 	char *pa, *pb, *pc, *pd, *pl, *pm, *pn;
 	int d, r, swaptype, swap_cnt;
-	register char *a = aa;
+	char *a = aa;
 
 loop:	SWAPINIT(a, es);
 	swap_cnt = 0;
diff --git a/src/lib/libc/stdlib/radixsort.c b/src/lib/libc/stdlib/radixsort.c
index 1ff30416..96392ea7 100644
--- a/src/lib/libc/stdlib/radixsort.c
+++ b/src/lib/libc/stdlib/radixsort.c
@@ -31,7 +31,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: radixsort.c,v 1.6 2003/06/02 20:18:38 millert Exp $";
+static char *rcsid = "$OpenBSD: radixsort.c,v 1.7 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 /*
@@ -85,10 +85,7 @@ static void r_sort_b(const u_char **,
 }
 
 int
-radixsort(a, n, tab, endch)
-	const u_char **a, *tab;
-	int n;
-	u_int endch;
+radixsort(const u_char **a, int n, const u_char *tab, u_int endch)
 {
 	const u_char *tr;
 	int c;
@@ -100,10 +97,7 @@ radixsort(a, n, tab, endch)
 }
 
 int
-sradixsort(a, n, tab, endch)
-	const u_char **a, *tab;
-	int n;
-	u_int endch;
+sradixsort(const u_char **a, int n, const u_char *tab, u_int endch)
 {
 	const u_char *tr, **ta;
 	int c;
@@ -128,15 +122,11 @@ sradixsort(a, n, tab, endch)
 
 /* Unstable, in-place sort. */
 void
-r_sort_a(a, n, i, tr, endch)
-	const u_char **a;
-	int n, i;
-	const u_char *tr;
-	u_int endch;
+r_sort_a(const u_char **a, int n, int i, const u_char *tr, u_int endch)
 {
 	static int count[256], nc, bmin;
-	register int c;
-	register const u_char **ak, *r;
+	int c;
+	const u_char **ak, *r;
 	stack s[SIZE], *sp, *sp0, *sp1, temp;
 	int *cp, bigc;
 	const u_char **an, *t, **aj, **top[256];
@@ -219,15 +209,12 @@ r_sort_a(a, n, i, tr, endch)
 
 /* Stable sort, requiring additional memory. */
 void
-r_sort_b(a, ta, n, i, tr, endch)
-	const u_char **a, **ta;
-	int n, i;
-	const u_char *tr;
-	u_int endch;
+r_sort_b(const u_char **a, const u_char **ta, int n, int i, const u_char *tr,
+    u_int endch)
 {
 	static int count[256], nc, bmin;
-	register int c;
-	register const u_char **ak, **ai;
+	int c;
+	const u_char **ak, **ai;
 	stack s[512], *sp, *sp0, *sp1, temp;
 	const u_char **top[256];
 	int *cp, bigc;
@@ -291,13 +278,10 @@ r_sort_b(a, ta, n, i, tr, endch)
 }
 		
 static __inline void
-simplesort(a, n, b, tr, endch)	/* insertion sort */
-	register const u_char **a;
-	int n, b;
-	register const u_char *tr;
-	u_int endch;
+simplesort(const u_char **a, int n, int b, const u_char *tr, u_int endch)
+    /* insertion sort */
 {
-	register u_char ch;
+	u_char ch;
 	const u_char  **ak, **ai, *s, *t;
 
 	for (ak = a+1; --n >= 1; ak++)
diff --git a/src/lib/libc/stdlib/rand.c b/src/lib/libc/stdlib/rand.c
index d58d040a..6b27ad46 100644
--- a/src/lib/libc/stdlib/rand.c
+++ b/src/lib/libc/stdlib/rand.c
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: rand.c,v 1.7 2003/06/02 20:18:38 millert Exp $";
+static char *rcsid = "$OpenBSD: rand.c,v 1.8 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -37,25 +37,20 @@ static char *rcsid = "$OpenBSD: rand.c,v 1.7 2003/06/02 20:18:38 millert Exp $";
 static u_int next = 1;
 
 int
-rand_r(seed)
-u_int *seed;
+rand_r(u_int *seed)
 {
-
 	*seed = *seed * 1103515245 + 12345;
 	return (*seed % ((u_int)RAND_MAX + 1));
 }
 
 int
-rand()
+rand(void)
 {
-
 	return (rand_r(&next));
 }
 
 void
-srand(seed)
-u_int seed;
+srand(u_int seed)
 {
-
 	next = seed;
 }
diff --git a/src/lib/libc/stdlib/random.c b/src/lib/libc/stdlib/random.c
index 4807d2f2..4ca8735e 100644
--- a/src/lib/libc/stdlib/random.c
+++ b/src/lib/libc/stdlib/random.c
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: random.c,v 1.12 2003/06/02 20:18:38 millert Exp $";
+static char *rcsid = "$OpenBSD: random.c,v 1.13 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/param.h>
@@ -190,8 +190,7 @@ static int rand_sep = SEP_3;
  * for default usage relies on values produced by this routine.
  */
 void
-srandom(x)
-	unsigned int x;
+srandom(unsigned int x)
 {
 	int i;
 	int32_t test;
@@ -232,7 +231,7 @@ srandom(x)
  * a fixed seed.
  */
 void
-srandomdev()
+srandomdev(void)
 {
 	int fd, i, mib[2], n;
 	size_t len;
@@ -299,10 +298,7 @@ srandomdev()
  * Returns a pointer to the old state.
  */
 char *
-initstate(seed, arg_state, n)
-	u_int seed;			/* seed for R.N.G. */
-	char *arg_state;		/* pointer to state array */
-	size_t n;			/* # bytes of state info */
+initstate(u_int seed, char *arg_state, size_t n)
 {
 	char *ostate = (char *)(&state[-1]);
 
@@ -359,8 +355,7 @@ initstate(seed, arg_state, n)
  * Returns a pointer to the old state information.
  */
 char *
-setstate(arg_state)
-	const char *arg_state;
+setstate(const char *arg_state)
 {
 	int32_t *new_state = (int32_t *)arg_state;
 	int32_t type = new_state[0] % MAX_TYPES;
@@ -411,7 +406,7 @@ setstate(arg_state)
  * Returns a 31-bit random number.
  */
 long
-random()
+random(void)
 {
 	int32_t i;
 
diff --git a/src/lib/libc/stdlib/setenv.c b/src/lib/libc/stdlib/setenv.c
index 40305dbe..ce0d3f96 100644
--- a/src/lib/libc/stdlib/setenv.c
+++ b/src/lib/libc/stdlib/setenv.c
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: setenv.c,v 1.7 2005/02/16 21:20:22 millert Exp $";
+static char *rcsid = "$OpenBSD: setenv.c,v 1.8 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdlib.h>
@@ -44,10 +44,7 @@ extern char **environ;
  *	"value".  If rewrite is set, replace any current value.
  */
 int
-setenv(name, value, rewrite)
-	const char *name;
-	const char *value;
-	int rewrite;
+setenv(const char *name, const char *value, int rewrite)
 {
 	static char **lastenv;			/* last value of environ */
 	char *C;
@@ -97,8 +94,7 @@ setenv(name, value, rewrite)
  *	Delete environmental variable "name".
  */
 void
-unsetenv(name)
-	const char *name;
+unsetenv(const char *name)
 {
 	char **P;
 	int offset;
diff --git a/src/lib/libc/stdlib/strtod.c b/src/lib/libc/stdlib/strtod.c
index 8e839d61..94eca886 100644
--- a/src/lib/libc/stdlib/strtod.c
+++ b/src/lib/libc/stdlib/strtod.c
@@ -79,7 +79,6 @@
  * #define Just_16 to store 16 bits per 32-bit Long when doing high-precision
  *	integer arithmetic.  Whether this speeds things up or slows things
  *	down depends on the machine and the number being converted.
- * #define KR_headers for old-style C function headers.
  * #define Bad_float_h if your system lacks a float.h or if it does not
  *	define some or all of DBL_DIG, DBL_MAX_10_EXP, DBL_MAX_EXP,
  *	FLT_RADIX, FLT_ROUNDS, and DBL_MAX.
@@ -90,7 +89,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strtod.c,v 1.19 2004/02/03 16:52:11 drahn Exp $";
+static char *rcsid = "$OpenBSD: strtod.c,v 1.20 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #if defined(__m68k__) || defined(__sparc__) || defined(__i386__) || \
@@ -130,22 +129,13 @@ static char *rcsid = "$OpenBSD: strtod.c,v 1.19 2004/02/03 16:52:11 drahn Exp $"
 #include "malloc.h"
 #include "memory.h"
 #else
-#ifndef KR_headers
 #include "stdlib.h"
 #include "string.h"
 #include "locale.h"
-#else
-#include "malloc.h"
-#include "memory.h"
-#endif
 #endif
 
 #ifdef MALLOC
-#ifdef KR_headers
-extern char *MALLOC();
-#else
 extern void *MALLOC(size_t);
-#endif
 #else
 #define MALLOC malloc
 #endif
@@ -203,12 +193,8 @@ extern "C" {
 #endif
 
 #ifndef CONST
-#ifdef KR_headers
-#define CONST /* blank */
-#else
 #define CONST const
 #endif
-#endif
 
 #ifdef Unsigned_Shifts
 #define Sign_Extend(a,b) if (b < 0) a |= 0xffff0000;
@@ -341,11 +327,7 @@ typedef union {
 #ifdef RND_PRODQUOT
 #define rounded_product(a,b) a = rnd_prod(a, b)
 #define rounded_quotient(a,b) a = rnd_quot(a, b)
-#ifdef KR_headers
-extern double rnd_prod(), rnd_quot();
-#else
 extern double rnd_prod(double, double), rnd_quot(double, double);
-#endif
 #else
 #define rounded_product(a,b) a *= b
 #define rounded_quotient(a,b) a /= b
@@ -385,12 +367,7 @@ Bigint {
  static Bigint *freelist[Kmax+1];
 
  static Bigint *
-Balloc
-#ifdef KR_headers
-	(k) int k;
-#else
-	(int k)
-#endif
+Balloc(int k)
 {
 	int x;
 	Bigint *rv;
@@ -409,12 +386,7 @@ Balloc
 	}
 
  static void
-Bfree
-#ifdef KR_headers
-	(v) Bigint *v;
-#else
-	(Bigint *v)
-#endif
+Bfree(Bigint *v)
 {
 	if (v) {
 		v->next = freelist[v->k];
@@ -426,12 +398,7 @@ Bfree
 y->wds*sizeof(Long) + 2*sizeof(int))
 
  static Bigint *
-multadd
-#ifdef KR_headers
-	(b, m, a) Bigint *b; int m, a;
-#else
-	(Bigint *b, int m, int a)	/* multiply by m and add a */
-#endif
+multadd(Bigint *b, int m, int a)	/* multiply by m and add a */
 {
 	int i, wds;
 	ULong *x, y;
@@ -471,12 +438,7 @@ multadd
 	}
 
  static Bigint *
-s2b
-#ifdef KR_headers
-	(s, nd0, nd, y9) CONST char *s; int nd0, nd; ULong y9;
-#else
-	(CONST char *s, int nd0, int nd, ULong y9)
-#endif
+s2b(CONST char *s, int nd0, int nd, ULong y9)
 {
 	Bigint *b;
 	int i, k;
@@ -509,14 +471,9 @@ s2b
 	}
 
  static int
-hi0bits
-#ifdef KR_headers
-	(x) register ULong x;
-#else
-	(register ULong x)
-#endif
+hi0bits(ULong x)
 {
-	register int k = 0;
+	int k = 0;
 
 	if (!(x & 0xffff0000)) {
 		k = 16;
@@ -543,15 +500,10 @@ hi0bits
 	}
 
  static int
-lo0bits
-#ifdef KR_headers
-	(y) ULong *y;
-#else
-	(ULong *y)
-#endif
+lo0bits(ULong *y)
 {
-	register int k;
-	register ULong x = *y;
+	int k;
+	ULong x = *y;
 
 	if (x & 7) {
 		if (x & 1)
@@ -591,12 +543,7 @@ lo0bits
 	}
 
  static Bigint *
-i2b
-#ifdef KR_headers
-	(i) int i;
-#else
-	(int i)
-#endif
+i2b(int i)
 {
 	Bigint *b;
 
@@ -607,12 +554,7 @@ i2b
 	}
 
  static Bigint *
-mult
-#ifdef KR_headers
-	(a, b) Bigint *a, *b;
-#else
-	(Bigint *a, Bigint *b)
-#endif
+mult(Bigint *a, Bigint *b)
 {
 	Bigint *c;
 	int k, wa, wb, wc;
@@ -697,12 +639,7 @@ mult
  static Bigint *p5s;
 
  static Bigint *
-pow5mult
-#ifdef KR_headers
-	(b, k) Bigint *b; int k;
-#else
-	(Bigint *b, int k)
-#endif
+pow5mult(Bigint *b, int k)
 {
 	Bigint *b1, *p5, *p51;
 	int i;
@@ -736,12 +673,7 @@ pow5mult
 	}
 
  static Bigint *
-lshift
-#ifdef KR_headers
-	(b, k) Bigint *b; int k;
-#else
-	(Bigint *b, int k)
-#endif
+lshift(Bigint *b, int k)
 {
 	int i, k1, n, n1;
 	Bigint *b1;
@@ -796,12 +728,7 @@ lshift
 	}
 
  static int
-cmp
-#ifdef KR_headers
-	(a, b) Bigint *a, *b;
-#else
-	(Bigint *a, Bigint *b)
-#endif
+cmp(Bigint *a, Bigint *b)
 {
 	ULong *xa, *xa0, *xb, *xb0;
 	int i, j;
@@ -830,12 +757,7 @@ cmp
 	}
 
  static Bigint *
-diff
-#ifdef KR_headers
-	(a, b) Bigint *a, *b;
-#else
-	(Bigint *a, Bigint *b)
-#endif
+diff(Bigint *a, Bigint *b)
 {
 	Bigint *c;
 	int i, wa, wb;
@@ -912,15 +834,10 @@ diff
 	}
 
  static double
-ulp
-#ifdef KR_headers
-	(_x) double _x;
-#else
-	(double _x)
-#endif
+ulp(double _x)
 {
 	_double x;
-	register Long L;
+	Long L;
 	_double a;
 
 	value(x) = _x;
@@ -952,12 +869,7 @@ ulp
 	}
 
  static double
-b2d
-#ifdef KR_headers
-	(a, e) Bigint *a; int *e;
-#else
-	(Bigint *a, int *e)
-#endif
+b2d(Bigint *a, int *e)
 {
 	ULong *xa, *xa0, w, y, z;
 	int k;
@@ -1022,12 +934,7 @@ b2d
 	}
 
  static Bigint *
-d2b
-#ifdef KR_headers
-	(_d, e, bits) double d; int *e, *bits;
-#else
-	(double _d, int *e, int *bits)
-#endif
+d2b(double _d, int *e, int *bits)
 {
 	Bigint *b;
 	int de, i, k;
@@ -1156,12 +1063,7 @@ d2b
 #undef d1
 
  static double
-ratio
-#ifdef KR_headers
-	(a, b) Bigint *a, *b;
-#else
-	(Bigint *a, Bigint *b)
-#endif
+ratio(Bigint *a, Bigint *b)
 {
 	_double da, db;
 	int k, ka, kb;
@@ -1223,12 +1125,7 @@ static CONST double tinytens[] = { 1e-16, 1e-32 };
 #endif
 
  double
-strtod
-#ifdef KR_headers
-	(s00, se) CONST char *s00; char **se;
-#else
-	(CONST char *s00, char **se)
-#endif
+strtod(CONST char *s00, char **se)
 {
 	int bb2, bb5, bbe, bd2, bd5, bbbits, bs2, c, dsign,
 		 e, e1, esign, i, j, k, nd, nd0, nf, nz, nz0, sign;
@@ -1239,11 +1136,7 @@ strtod
 	ULong y, z;
 	Bigint *bb, *bb1, *bd, *bd0, *bs, *delta;
 
-#ifndef KR_headers
 	CONST char decimal_point = localeconv()->decimal_point[0];
-#else
-	CONST char decimal_point = '.';
-#endif
 
 	sign = nz0 = nz = 0;
 	value(rv) = 0.;
@@ -1769,12 +1662,7 @@ strtod
 	}
 
  static int
-quorem
-#ifdef KR_headers
-	(b, S) Bigint *b, *S;
-#else
-	(Bigint *b, Bigint *S)
-#endif
+quorem(Bigint *b, Bigint *S)
 {
 	int n;
 	Long borrow, y;
@@ -1909,13 +1797,7 @@ quorem
  */
 
  char *
-__dtoa
-#ifdef KR_headers
-	(_d, mode, ndigits, decpt, sign, rve)
-	double _d; int mode, ndigits, *decpt, *sign; char **rve;
-#else
-	(double _d, int mode, int ndigits, int *decpt, int *sign, char **rve)
-#endif
+__dtoa(double _d, int mode, int ndigits, int *decpt, int *sign, char **rve)
 {
  /*	Arguments ndigits, decpt, sign are similar to those
 	of ecvt and fcvt; trailing zeros are suppressed from
diff --git a/src/lib/libc/stdlib/strtol.c b/src/lib/libc/stdlib/strtol.c
index 1c397207..9692bb6b 100644
--- a/src/lib/libc/stdlib/strtol.c
+++ b/src/lib/libc/stdlib/strtol.c
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strtol.c,v 1.5 2003/06/02 20:18:38 millert Exp $";
+static char *rcsid = "$OpenBSD: strtol.c,v 1.6 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <ctype.h>
@@ -44,15 +44,12 @@ static char *rcsid = "$OpenBSD: strtol.c,v 1.5 2003/06/02 20:18:38 millert Exp $
  * alphabets and digits are each contiguous.
  */
 long
-strtol(nptr, endptr, base)
-	const char *nptr;
-	char **endptr;
-	register int base;
+strtol(const char *nptr, char **endptr, int base)
 {
-	register const char *s;
-	register long acc, cutoff;
-	register int c;
-	register int neg, any, cutlim;
+	const char *s;
+	long acc, cutoff;
+	int c;
+	int neg, any, cutlim;
 
 	/*
 	 * Skip white space and pick up leading +/- sign if any.
diff --git a/src/lib/libc/stdlib/strtoll.c b/src/lib/libc/stdlib/strtoll.c
index 5002e9ed..fa4d30ef 100644
--- a/src/lib/libc/stdlib/strtoll.c
+++ b/src/lib/libc/stdlib/strtoll.c
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static const char rcsid[] = "$OpenBSD: strtoll.c,v 1.3 2005/03/02 12:24:26 millert Exp $";
+static const char rcsid[] = "$OpenBSD: strtoll.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -45,10 +45,7 @@ static const char rcsid[] = "$OpenBSD: strtoll.c,v 1.3 2005/03/02 12:24:26 mille
  * alphabets and digits are each contiguous.
  */
 long long
-strtoll(nptr, endptr, base)
-	const char *nptr;
-	char **endptr;
-	int base;
+strtoll(const char *nptr, char **endptr, int base)
 {
 	const char *s;
 	long long acc, cutoff;
@@ -151,10 +148,7 @@ strtoll(nptr, endptr, base)
 __weak_alias(strtoq, strtoll);
 #else
 quad_t
-strtoq(nptr, endptr, base)
-	const char *nptr;
-	char **endptr;
-	int base;
+strtoq(const char *nptr, char **endptr, int base)
 {
 
         return ((quad_t)strtoll(nptr, endptr, base));
diff --git a/src/lib/libc/stdlib/strtoul.c b/src/lib/libc/stdlib/strtoul.c
index 7d31ce79..1faa0abb 100644
--- a/src/lib/libc/stdlib/strtoul.c
+++ b/src/lib/libc/stdlib/strtoul.c
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strtoul.c,v 1.5 2003/06/02 20:18:38 millert Exp $";
+static char *rcsid = "$OpenBSD: strtoul.c,v 1.6 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <ctype.h>
@@ -43,15 +43,12 @@ static char *rcsid = "$OpenBSD: strtoul.c,v 1.5 2003/06/02 20:18:38 millert Exp
  * alphabets and digits are each contiguous.
  */
 unsigned long
-strtoul(nptr, endptr, base)
-	const char *nptr;
-	char **endptr;
-	register int base;
+strtoul(const char *nptr, char **endptr, int base)
 {
-	register const char *s;
-	register unsigned long acc, cutoff;
-	register int c;
-	register int neg, any, cutlim;
+	const char *s;
+	unsigned long acc, cutoff;
+	int c;
+	int neg, any, cutlim;
 
 	/*
 	 * See strtol for comments as to the logic used.
diff --git a/src/lib/libc/stdlib/strtoull.c b/src/lib/libc/stdlib/strtoull.c
index c383f1d8..5fa841ff 100644
--- a/src/lib/libc/stdlib/strtoull.c
+++ b/src/lib/libc/stdlib/strtoull.c
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static const char rcsid[] = "$OpenBSD: strtoull.c,v 1.3 2005/03/02 12:24:26 millert Exp $";
+static const char rcsid[] = "$OpenBSD: strtoull.c,v 1.4 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -45,10 +45,7 @@ static const char rcsid[] = "$OpenBSD: strtoull.c,v 1.3 2005/03/02 12:24:26 mill
  * alphabets and digits are each contiguous.
  */
 unsigned long long
-strtoull(nptr, endptr, base)
-	const char *nptr;
-	char **endptr;
-	int base;
+strtoull(const char *nptr, char **endptr, int base)
 {
 	const char *s;
 	unsigned long long acc, cutoff;
@@ -113,10 +110,7 @@ strtoull(nptr, endptr, base)
 __weak_alias(strtouq, strtoull);
 #else
 u_quad_t
-strtouq(nptr, endptr, base)
-	const char *nptr;
-	char **endptr;
-	int base;
+strtouq(const char *nptr, char **endptr, int base)
 {
 
 	return ((u_quad_t)strtoull(nptr, endptr, base));
diff --git a/src/lib/libc/stdlib/system.c b/src/lib/libc/stdlib/system.c
index 06b43923..ebf55776 100644
--- a/src/lib/libc/stdlib/system.c
+++ b/src/lib/libc/stdlib/system.c
@@ -28,7 +28,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: system.c,v 1.6 2003/06/02 20:18:38 millert Exp $";
+static char *rcsid = "$OpenBSD: system.c,v 1.7 2005/03/30 18:51:49 pat Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -41,8 +41,7 @@ static char *rcsid = "$OpenBSD: system.c,v 1.6 2003/06/02 20:18:38 millert Exp $
 extern char **environ;
 
 int
-system(command)
-	const char *command;
+system(const char *command)
 {
 	pid_t pid;
 	sig_t intsave, quitsave;
diff --git a/src/lib/libc/stdlib/tfind.c b/src/lib/libc/stdlib/tfind.c
index 34b916db..ff6bcd74 100644
--- a/src/lib/libc/stdlib/tfind.c
+++ b/src/lib/libc/stdlib/tfind.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: tfind.c,v 1.4 2004/10/01 04:08:45 jsg Exp $	*/
+/*	$OpenBSD: tfind.c,v 1.5 2005/03/30 18:51:49 pat Exp $	*/
 
 /*
  * Tree search generalized from Knuth (6.2.2) Algorithm T just like
@@ -21,10 +21,8 @@ typedef struct node_t
 
 /* find a node, or return 0 */
 void *
-tfind(vkey, vrootp, compar)
-	const void	*vkey;		/* key to be found */
-	void		*const *vrootp;	/* address of the tree root */
-	int		(*compar)(const void *, const void *);
+tfind(const void *vkey, void * const *vrootp,
+    int (*compar)(const void *, const void *))
 {
     char *key = (char *)vkey;
     node **rootp = (node **)vrootp;
diff --git a/src/lib/libc/stdlib/tsearch.c b/src/lib/libc/stdlib/tsearch.c
index 67388b4e..a5d0c2b9 100644
--- a/src/lib/libc/stdlib/tsearch.c
+++ b/src/lib/libc/stdlib/tsearch.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: tsearch.c,v 1.4 2004/10/01 04:08:45 jsg Exp $	*/
+/*	$OpenBSD: tsearch.c,v 1.5 2005/03/30 18:51:49 pat Exp $	*/
 
 /*
  * Tree search generalized from Knuth (6.2.2) Algorithm T just like
@@ -22,12 +22,10 @@ typedef struct node_t {
 
 /* find or insert datum into search tree */
 void *
-tsearch(vkey, vrootp, compar)
-	const void 	*vkey;		/* key to be located */
-	void		**vrootp;	/* address of tree root */
-	int		(*compar)(const void *, const void *);
+tsearch(const void *vkey, void **vrootp,
+    int (*compar)(const void *, const void *))
 {
-    register node *q;
+    node *q;
     char *key = (char *)vkey;
     node **rootp = (node **)vrootp;
 
@@ -53,16 +51,14 @@ tsearch(vkey, vrootp, compar)
 
 /* delete node with given key */
 void *
-tdelete(vkey, vrootp, compar)
-	const void	*vkey;		/* key to be deleted */
-	void		**vrootp;	/* address of the root of tree */
-	int		(*compar)(const void *, const void *);
+tdelete(const void *vkey, void **vrootp,
+    int (*compar)(const void *, const void *))
 {
     node **rootp = (node **)vrootp;
     char *key = (char *)vkey;
     node *p;
-    register node *q;
-    register node *r;
+    node *q;
+    node *r;
     int cmp;
 
     if (rootp == (struct node_t **)0 || (p = *rootp) == (struct node_t *)0)
@@ -97,10 +93,7 @@ tdelete(vkey, vrootp, compar)
 
 /* Walk the nodes of a tree */
 static void
-trecurse(root, action, level)
-	register node	*root;		/* Root of the tree to be walked */
-	register void	(*action)();	/* Function to be called at each node */
-	register int	level;
+trecurse(node *root, void (*action)(const void *, VISIT, int), int level)
 {
     if (root->left == (struct node_t *)0 && root->right == (struct node_t *)0)
 	(*action)(root, leaf, level);
@@ -117,12 +110,10 @@ trecurse(root, action, level)
 
 /* Walk the nodes of a tree */
 void
-twalk(vroot, action)
-	const void	*vroot;		/* Root of the tree to be walked */
-	void		(*action)(const void *, VISIT, int);
+twalk(const void *vroot, void (*action)(const void *, VISIT, int))
 {
     node *root = (node *)vroot;
 
-    if (root != (node *)0 && action != (void(*)())0)
+    if (root != (node *)0 && action != (void (*)(const void *, VISIT, int))0)
 	trecurse(root, action, 0);
 }