8 files changed, 16 insertions, 14 deletions
diff --git a/libc/stdlib/bsearch.c b/libc/stdlib/bsearch.c
index 989866743..72ba2617a 100644
--- a/libc/stdlib/bsearch.c
+++ b/libc/stdlib/bsearch.c
@@ -28,7 +28,7 @@ register int (*cmp) ();		/* comparison function */
    while (a <= b)
    {
       c = (a + b) >> 1;		/* == ((a + b) / 2) */
-      if (dir = (*cmp) ((base + (c * size)), key))
+      if ((dir = (*cmp) ((base + (c * size)), key)))
       {
 	 if (dir > 0)
 	    b = c - 1;
diff --git a/libc/stdlib/mkstemp.c b/libc/stdlib/mkstemp.c
index d65ada4f7..de3c682b2 100644
--- a/libc/stdlib/mkstemp.c
+++ b/libc/stdlib/mkstemp.c
@@ -1,4 +1,4 @@
-
+#include <string.h>
 #include <features.h>
 #include <unistd.h>
 #include <fcntl.h>
@@ -7,7 +7,7 @@ int mkstemp(template)
 char * template;
 {
 	int i;
-	int num; /* UNINITIALIZED */
+	int num __attribute__ ((unused)); /* UNINITIALIZED */
 	int n2;
 	int l = strlen(template);
 	
diff --git a/libc/stdlib/mktemp.c b/libc/stdlib/mktemp.c
index 08b356710..bbe589efc 100644
--- a/libc/stdlib/mktemp.c
+++ b/libc/stdlib/mktemp.c
@@ -1,4 +1,4 @@
-
+#include <string.h>
 #include <features.h>
 #include <unistd.h>
 #include <fcntl.h>
@@ -8,7 +8,7 @@ char * mktemp(template)
 char * template;
 {
 	int i;
-	int num; /* UNINITIALIZED */
+	int num __attribute__ ((unused)); /* UNINITIALIZED */
 	int n2;
 	int l = strlen(template);
 	struct stat stbuf;
diff --git a/libc/stdlib/putenv.c b/libc/stdlib/putenv.c
index a7a453d5f..692aefb5e 100644
--- a/libc/stdlib/putenv.c
+++ b/libc/stdlib/putenv.c
@@ -33,7 +33,7 @@ static int extras = 0;
    {
       if( memcmp(var, *p, len) == 0 && (*p)[len] == '=' )
       {
-         while( p[0] = p[1] ) p++;
+         while( (p[0] = p[1]) ) p++;
          extras++;
          break;
       }
diff --git a/libc/stdlib/qsort.c b/libc/stdlib/qsort.c
index cee53c398..b45716c83 100644
--- a/libc/stdlib/qsort.c
+++ b/libc/stdlib/qsort.c
@@ -14,7 +14,7 @@ char *_qbuf = 0;		/* pointer to storage for qsort() */
 #define	PIVOT			((i+j)>>1)
 #define moveitem(dst,src,size)	if(dst != src) memcpy(dst, src, size)
 
-static 
+static void 
 _wqsort(base, lo, hi, cmp)
 register int *base;
 register int lo;
@@ -56,7 +56,7 @@ register int (*cmp) ();
    }
 }
 
-static 
+static void 
 _lqsort(base, lo, hi, cmp)
 register long *base;
 register int lo;
@@ -98,7 +98,7 @@ register int (*cmp) ();
    }
 }
 
-static 
+static void 
 _nqsort(base, lo, hi, size, cmp)
 register char *base;
 register int lo;
@@ -141,7 +141,7 @@ register int (*cmp) ();
    }
 }
 
-qsort(base, num, size, cmp)
+extern int qsort(base, num, size, cmp)
 char *base;
 int   num;
 int   size;
@@ -152,7 +152,7 @@ int   (*cmp) ();
    if (_qbuf == 0)
    {
       if (size > sizeof(_qtemp))/* records too large! */
-	 return;
+	 return 1;
       _qbuf = _qtemp;
    }
    if (size == 2)
@@ -163,4 +163,5 @@ int   (*cmp) ();
       _nqsort(base, 0, num - 1, size, cmp);
    if (_qbuf == _qtemp)
       _qbuf = 0;
+   return 0;
 }
diff --git a/libc/stdlib/rand.c b/libc/stdlib/rand.c
index 4eb07894b..4bf98d5bc 100644
--- a/libc/stdlib/rand.c
+++ b/libc/stdlib/rand.c
@@ -41,7 +41,7 @@ static int seed3 = 1;
 
 int rand()
 {
-   register int q, z;
+   register int q;
    CRANK(206, 157,  31, 32363, seed1);
    CRANK(217, 146,  45, 31727, seed2);
    CRANK(222, 142, 133, 31657, seed3);
diff --git a/libc/stdlib/setenv.c b/libc/stdlib/setenv.c
index 0990fdec2..afe5676d1 100644
--- a/libc/stdlib/setenv.c
+++ b/libc/stdlib/setenv.c
@@ -35,7 +35,8 @@ static int extras = 0;
       {
          if (!overwrite)
          	return -1;
-         while( p[0] = p[1] ) p++;
+	 /* Overwrite stuff */
+         while( (p[0] = p[1]) ) p++;
          extras++;
          break;
       }
diff --git a/libc/stdlib/system.c b/libc/stdlib/system.c
index b764613be..74ac27b64 100644
--- a/libc/stdlib/system.c
+++ b/libc/stdlib/system.c
@@ -7,7 +7,7 @@ int
 system(command)
 char * command;
 {
-   int wait_val, wait_ret, pid;
+   int wait_val, pid;
    __sighandler_t save_quit, save_int, save_chld;
 
    if( command == 0 ) return 1;