1 files changed, 5 insertions, 1 deletions

diff --git a/chkshsgr.c b/chkshsgr.c
index 2bcdade..bee9700 100644
--- a/chkshsgr.c
+++ b/chkshsgr.c
@@ -1,7 +1,11 @@
+#include <sys/types.h>
+#include <unistd.h>
+#include <grp.h>
 #include "exit.h"
+
 void main()
 {
- short x[4];
+ gid_t x[4];
 
  x[0] = x[1] = 0;
  if (getgroups(1,x) == 0) if (setgroups(1,x) == -1) _exit(1);