1 files changed, 1 insertions, 0 deletions

diff --git a/lib/proc.c b/lib/proc.c
index 9cd4eeb..5c709ed 100644
--- a/lib/proc.c
+++ b/lib/proc.c
@@ -5,6 +5,7 @@
 #include <string.h>
 #include <stdarg.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <ctype.h>
 #include <unistd.h>