1 #include "ipc.h"
2 #include <errno.h>
3 #include <sys/msg.h>
4 
msgctl(int q,int cmd,struct msqid_ds * buf)5 int msgctl(int q, int cmd, struct msqid_ds* buf) {
6     errno = ENOSYS;
7     return -1;
8 }
9