add proper feature tests for putenv, getenv

2026-05-20 20:59:53 +08:00 · 2012-01-24 07:14:45 +01:00
parent c3a0f677fb
commit 150e624182
1 changed files with 4 additions and 1 deletions
@@ -14,7 +14,10 @@
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
-
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200809L
+#undef _XOPEN_SOURCE
+#define _XOPEN_SOURCE 700
 #include <stdio.h>
 #include <unistd.h>
 #include <stdlib.h>