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Linux 2.6 - man page for ipc (linux section 2)

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IPC(2)				    Linux Programmer's Manual				   IPC(2)

       ipc - System V IPC system calls

       int ipc(unsigned int call, int first, int second, int third,
	       void *ptr, long fifth);

       ipc()  is a common kernel entry point for the System V IPC calls for messages, semaphores,
       and shared memory.  call determines which IPC function to invoke; the other arguments  are
       passed through to the appropriate call.

       User  programs  should call the appropriate functions by their usual names.  Only standard
       library implementors and kernel hackers need to know about ipc().

       ipc() is Linux-specific, and should not be used in programs intended to be portable.

       On some architectures--for example x86-64 and ARM--there is no ipc() system call;  instead
       msgctl(2),  semctl(2),  shmctl(2),  and	so  on	really are implemented as separate system

       msgctl(2), msgget(2), msgrcv(2), msgsnd(2), semctl(2), semget(2), semop(2), semtimedop(2),
       shmat(2), shmctl(2), shmdt(2), shmget(2)

       This  page  is  part of release 3.55 of the Linux man-pages project.  A description of the
       project,    and	  information	 about	  reporting    bugs,	can    be    found     at

Linux					    2012-10-16					   IPC(2)
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