diff --git a/src/lib/libc/stdlib/Makefile.inc b/src/lib/libc/stdlib/Makefile.inc
index 3191f083..b1c20d08 100644
--- a/src/lib/libc/stdlib/Makefile.inc
+++ b/src/lib/libc/stdlib/Makefile.inc
@@ -3,7 +3,7 @@
 # stdlib sources
 .PATH: ${LIBCSRCDIR}/arch/${MACHINE_ARCH}/stdlib ${LIBCSRCDIR}/stdlib
 
-SRCS+=	a64l.c abort.c atexit.c atoi.c atof.c atol.c bsearch.c calloc.c \
+SRCS+=	a64l.c abort.c atexit.c atoi.c atof.c atol.c bsearch.c \
 	cfree.c exit.c getenv.c getopt.c getsubopt.c heapsort.c l64a.c \
 	malloc.c merge.c multibyte.c putenv.c qsort.c radixsort.c rand.c \
 	random.c realpath.c setenv.c strtod.c strtol.c strtoq.c strtoul.c \
diff --git a/src/lib/libc/stdlib/calloc.c b/src/lib/libc/stdlib/calloc.c
deleted file mode 100644
index a2c4f844..00000000
--- a/src/lib/libc/stdlib/calloc.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: calloc.c,v 1.3 1996/08/20 17:42:33 downsj Exp $";
-#endif /* LIBC_SCCS and not lint */
-
-#include <stdlib.h>
-#include <string.h>
-
-void *
-calloc(num, size)
-	size_t num;
-	register size_t size;
-{
-	register void *p;
-
-	size *= num;
-	p = malloc(size);
-	if (p)
-		memset(p, '\0', size);
-	return(p);
-}
diff --git a/src/lib/libc/stdlib/malloc.c b/src/lib/libc/stdlib/malloc.c
index 8b90bb5d..3582d798 100644
--- a/src/lib/libc/stdlib/malloc.c
+++ b/src/lib/libc/stdlib/malloc.c
@@ -8,7 +8,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: malloc.c,v 1.36 1999/09/16 19:06:06 deraadt Exp $";
+static char rcsid[] = "$OpenBSD: malloc.c,v 1.37 1999/11/09 19:25:33 millert Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 /*
@@ -1278,3 +1278,27 @@ realloc(void *ptr, size_t size)
 	wrterror("out of memory.\n");
     return (r);
 }
+
+void *
+calloc(size_t num, size_t size)
+{
+    register void *r;
+
+    malloc_func = " in calloc():";
+    THREAD_LOCK();
+    if (malloc_active++) {
+	wrtwarning("recursive call.\n");
+        malloc_active--;
+	return (0);
+    }
+    size *= num;
+    r = imalloc(size);
+    if (r && !malloc_zero)
+	memset(r, 0, size)
+    UTRACE(0, size, r);
+    malloc_active--;
+    THREAD_UNLOCK();
+    if (malloc_xmalloc && !r)
+	wrterror("out of memory.\n");
+    return (r);
+}