simplify some logic in scanf and remove redundant invalid-format check

[musl] / include / sys / msg.h

diff --git a/include/sys/msg.h b/include/sys/msg.h
index 06f2553..ceedd1c 100644 (file)
--- a/include/sys/msg.h
+++ b/include/sys/msg.h
@@ -1,6 +1,10 @@
 #ifndef _SYS_MSG_H
 #define _SYS_MSG_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <sys/ipc.h>
 
 #define __NEED_pid_t
@@ -33,4 +37,15 @@ int msgget (key_t, int);
 ssize_t msgrcv (int, void *, size_t, long, int);
 int msgsnd (int, const void *, size_t, int);
 
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+struct msgbuf {
+       long mtype;
+       char mtext[1];
+};
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif