topic whats diff between these message queue in Operating System - Linux https://community.hpe.com/t5/operating-system-linux/whats-diff-between-these-message-queue/m-p/4031235#M93818 <BR />msgsnd - XSI message operations<BR /><BR /> <BR /><BR /> <BR /> #include <SYS><BR /><BR /> <BR /><BR /> int msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg);<BR /> ssize_t msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp,int msgflg);<BR /><BR /> <BR /><BR /><BR /><BR />msgop - message operations<BR /><BR /> <BR /><BR />include <SYS><BR /><BR /> #include <SYS><BR /><BR /> #include <SYS><BR /><BR /> <BR /><BR /> int msgsnd(int msqid, struct msgbuf *msgp, size_t msgsz, int msgflg);<BR /><BR /> <BR /><BR /> ssize_t msgrcv(int msqid, struct msgbuf *msgp, size_t msgsz, long msg-typ, int msgflg);<BR /><BR /></SYS></SYS></SYS></SYS> Tue, 03 Jul 2007 05:01:19 GMT RobertClark 2007-07-03T05:01:19Z whats diff between these message queue https://community.hpe.com/t5/operating-system-linux/whats-diff-between-these-message-queue/m-p/4031235#M93818 <BR />msgsnd - XSI message operations<BR /><BR /> <BR /><BR /> <BR /> #include <SYS><BR /><BR /> <BR /><BR /> int msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg);<BR /> ssize_t msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp,int msgflg);<BR /><BR /> <BR /><BR /><BR /><BR />msgop - message operations<BR /><BR /> <BR /><BR />include <SYS><BR /><BR /> #include <SYS><BR /><BR /> #include <SYS><BR /><BR /> <BR /><BR /> int msgsnd(int msqid, struct msgbuf *msgp, size_t msgsz, int msgflg);<BR /><BR /> <BR /><BR /> ssize_t msgrcv(int msqid, struct msgbuf *msgp, size_t msgsz, long msg-typ, int msgflg);<BR /><BR /></SYS></SYS></SYS></SYS> Tue, 03 Jul 2007 05:01:19 GMT https://community.hpe.com/t5/operating-system-linux/whats-diff-between-these-message-queue/m-p/4031235#M93818 RobertClark 2007-07-03T05:01:19Z Re: whats diff between these message queue https://community.hpe.com/t5/operating-system-linux/whats-diff-between-these-message-queue/m-p/4031236#M93819 It appears the only difference is the standards. The man page only indicates the const void *msgp version. Where msgp probably points to a struct msgbuf. Tue, 03 Jul 2007 09:06:06 GMT https://community.hpe.com/t5/operating-system-linux/whats-diff-between-these-message-queue/m-p/4031236#M93819 Dennis Handly 2007-07-03T09:06:06Z