Enforce C11 via Makefile, explicate POSIX dependencies in source files.

[plomrogue] / src / client / io.c

diff --git a/src/client/io.c b/src/client/io.c
index 477700f9df096e522781a450bce93b3a59bf7b39..1995b14a67aca61f74fb9b710ebaa33a13169b89 100644 (file)
--- a/src/client/io.c
+++ b/src/client/io.c
@@ -1,5 +1,6 @@
 /* src/client/io.c */
 
+#define _POSIX_C_SOURCE 1 /* PIPE_BUF */
 #include "io.h"
 #include <limits.h> /* PIPE_BUF */
 #include <ncurses.h> /* halfdelay(), getch() */