#ifndef _SYS_MSG_H
#define _SYS_MSG_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#include <sys/ipc.h>
#define __NEED_pid_t
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