diff --git a/src/libc/gen/strcasecmp.c b/src/libc/gen/strcasecmp.c
index 893a554..8d8fe94 100644
--- a/src/libc/gen/strcasecmp.c
+++ b/src/libc/gen/strcasecmp.c
@@ -67,5 +67,5 @@ strncasecmp(s1, s2, n)
 	while (n-- > 0 && cm[(unsigned char)*s1] == cm[(unsigned char)*s2++])
 		if (*s1++ == '\0')
 			return(0);
-	return(n == 0 ? 0 : cm[(unsigned char)*s1] - cm[(unsigned char)*--s2]);
+	return(n == -1 ? 0 : cm[(unsigned char)*s1] - cm[(unsigned char)*--s2]);
 }
diff --git a/sys/include/proc.h b/sys/include/proc.h
index f0d932b..4cca294 100644
--- a/sys/include/proc.h
+++ b/sys/include/proc.h
@@ -97,7 +97,7 @@ struct	proc *pidhash [PIDHSZ];
 extern struct	proc proc[];	/* the proc table itself */
 struct	proc *freeproc, *zombproc, *allproc, *qs;
 			/* lists of procs in various states */
-int nproc;
+extern int nproc;
 
 /*
  * Init the process queues.