1 files changed, 3 insertions, 0 deletions
diff --git a/src/tryshsgr.c b/src/tryshsgr.c
index c5ed6d6..1bb5f61 100644
--- a/src/tryshsgr.c
+++ b/src/tryshsgr.c
@@ -1,5 +1,8 @@
 /* Public domain. */
 
+#include <unistd.h>
+#include <grp.h>
+
 int main()
 {
   short x[4];