#include #include #include #include "sysvipc_msg.h" extern char sysvipc_userland; extern int __sys_msgctl(int, int, struct msqid_ds *); int msgctl(int msqid, int cmd, struct msqid_ds *buf) { if (sysvipc_userland) return (sysvipc_msgctl(msqid, cmd, buf)); return (__sys_msgctl(msqid, cmd, buf)); }