Remove dead code

Remove unused variables
Silence some warnings
lint(1) is your friend

src/lib/libc/crypt/md5crypt.c

@@ -9,11 +9,12 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: md5crypt.c,v 1.4 1996/08/19 08:19:50 tholo Exp $";
+static char rcsid[] = "$OpenBSD: md5crypt.c,v 1.5 1996/09/15 09:30:46 tholo Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <unistd.h>
 #include <stdio.h>
+#include <string.h>
 #include <md5.h>
 
 static unsigned char itoa64[] =		/* 0 ... 63 => ascii - 64 */

src/lib/libc/stdlib/malloc.c

@@ -8,7 +8,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: malloc.c,v 1.10 1996/09/11 03:04:43 deraadt Exp $";
+static char rcsid[] = "$OpenBSD: malloc.c,v 1.11 1996/09/15 09:31:49 tholo Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 /*
@@ -813,7 +813,7 @@ malloc_bytes(size)
 	;
 
     /* Find that bit, and tweak it */
-    k = ffs(*lp) - 1;
+    k = ffs((unsigned)*lp) - 1;
     *lp ^= 1<<k;
 
     /* If there are no more free, remove from free-list */

src/lib/libc/stdlib/merge.c

@@ -35,7 +35,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: merge.c,v 1.2 1996/08/19 08:33:38 tholo Exp $";
+static char *rcsid = "$OpenBSD: merge.c,v 1.3 1996/09/15 09:31:50 tholo Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 /*
@@ -147,7 +147,7 @@ mergesort(base, nmemb, size, cmp)
 	    			sense = 0;
 	    		}
 	    		if (!big) {	/* here i = 0 */
-LINEAR:	    			while ((b += size) < t && cmp(q, b) >sense)
+	    			while ((b += size) < t && cmp(q, b) >sense)
 	    				if (++i == 6) {
 	    					big = 1;
 	    					goto EXPONENTIAL;
@@ -168,7 +168,7 @@ EXPONENTIAL:	    		for (i = size; ; i <<= 1)
 	    					goto FASTCASE;
 	    				} else
 	    					b = p;
-SLOWCASE:	    		while (t > b+size) {
+		    		while (t > b+size) {
 	    				i = (((t - b) / size) >> 1) * size;
 	    				if ((*cmp)(q, p = b + i) <= sense)
 	    					t = p;

src/lib/libc/stdlib/random.c

@@ -32,7 +32,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: random.c,v 1.3 1996/08/19 08:33:46 tholo Exp $";
+static char *rcsid = "$OpenBSD: random.c,v 1.4 1996/09/15 09:31:51 tholo Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
@@ -193,13 +193,12 @@ srandom(x)
 	u_int x;
 {
 	register long int test;
-	register int i, j;
+	register int i;
 	ldiv_t val;
 
 	if (rand_type == TYPE_0)
 		state[0] = x;
 	else {
-		j = 1;
 		state[0] = x;
 		for (i = 1; i < rand_deg; i++) {
 			/*

src/lib/libc/stdlib/system.c

@@ -32,7 +32,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: system.c,v 1.2 1996/08/19 08:33:54 tholo Exp $";
+static char *rcsid = "$OpenBSD: system.c,v 1.3 1996/09/15 09:31:52 tholo Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -52,11 +52,13 @@ system(command)
 	sig_t intsave, quitsave;
 	int omask;
 	int pstat;
-	char *argp[] = {"sh", "-c", (char *) command, NULL};
+	char *argp[] = {"sh", "-c", NULL, NULL};
 
 	if (!command)		/* just checking... */
 		return(1);
 
+	argp[2] = (char *)command;
+
 	omask = sigblock(sigmask(SIGCHLD));
 	switch(pid = vfork()) {
 	case -1:			/* error */

src/lib/libc/string/__strerror.c

@@ -32,7 +32,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: __strerror.c,v 1.3 1996/08/19 08:33:55 tholo Exp $";
+static char *rcsid = "$OpenBSD: __strerror.c,v 1.4 1996/09/15 09:31:53 tholo Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #ifdef NLS
@@ -64,7 +64,7 @@ __strerror(num, buf)
 	register unsigned int errnum;
 
 #ifdef NLS
-	nl_catd catd ;
+	nl_catd catd;
 	catd = catopen("libc", 0);
 #endif