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-rw-r--r--apps/apps.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/apps/apps.c b/apps/apps.c
index fc15a74266..be710a6adb 100644
--- a/apps/apps.c
+++ b/apps/apps.c
@@ -109,6 +109,10 @@
*
*/
+#define _POSIX_C_SOURCE 2 /* On VMS, you need to define this to get
+ the declaration of fileno(). The value
+ 2 is to make sure no function defined
+ in POSIX-2 is left undefined. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>