include cleanups: remove unused headers and add feature test macros

[musl] / src / passwd / fgetgrent.c

diff --git a/src/passwd/fgetgrent.c b/src/passwd/fgetgrent.c
index 2f18d92..d8d1c77 100644 (file)
--- a/src/passwd/fgetgrent.c
+++ b/src/passwd/fgetgrent.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
 #include "pwf.h"
 
 struct group *fgetgrent(FILE *f)