#ifndef _SYS_MSG_H #include #ifndef _ISOMAC extern ssize_t __libc_msgrcv (int msqid, void *msgp, size_t msgsz, long int msgtyp, int msgflg); extern int __libc_msgsnd (int msqid, const void *msgp, size_t msgsz, int msgflg); # include # if __TIMESIZE == 64 # define __msgctl64 __msgctl # else extern int __msgctl64 (int msqid, int cmd, struct __msqid64_ds *buf); libc_hidden_proto (__msgctl64); # endif #endif #endif