1 files changed, 1 insertions, 0 deletions
diff --git a/src/tc-socket.c b/src/tc-socket.c
index 2c140a1..dafe509 100644
--- a/src/tc-socket.c
+++ b/src/tc-socket.c
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+#define _POSIX_C_SOURCE 999900L
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>