2 files changed, 6 insertions, 3 deletions
diff --git a/src/stdlib/_rand.h b/src/stdlib/_rand.h
new file mode 100644
index 00000000..7f7102ef
--- /dev/null
+++ b/src/stdlib/_rand.h
@@ -0,0 +1,4 @@
+#include <limits.h>
+
+#define _rand(_n) \
+	(((_n) = (_n) * 1103515245 + 12345) ? (_n) / UINT_MAX % RAND_MAX : 0)
diff --git a/src/stdlib/rand.c b/src/stdlib/rand.c
index bd561736..459332ce 100644
--- a/src/stdlib/rand.c
+++ b/src/stdlib/rand.c
@@ -1,12 +1,11 @@
 #include <stdlib.h>
 #include "nonstd/internal.h"
+#include "_rand.h"
 
 /** get a pseudo-random number **/
 int rand(void)
 {
-	/* FIXME: forward dependency on POSIX.1c-1995 */
-	extern int rand_r(unsigned int*);
-	return rand_r(__libc(RAND));
+	return _rand(*(unsigned*)__libc(RAND));
 }
 
 /***