exit man page on OpenBSD

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EXIT(3)			  OpenBSD Programmer's Manual		       EXIT(3)

     exit, _Exit - perform normal program termination

     #include <stdlib.h>

     exit(int status);

     _Exit(int status);

     The exit() and _Exit() functions terminate a process.

     Before termination, exit() performs the following operations in the order

	   1.	Call the functions registered with the atexit(3) function, in
		the reverse order of their registration.

	   2.	Flush all open output streams.

	   3.	Close all open streams.

	   4.	Unlink all files created with the tmpfile(3) function.

     The _Exit() function terminates without calling the functions registered
     with the atexit(3) function.  The OpenBSD implementation of _Exit() does
     not flush open output streams or unlink files created with the tmpfile(3)
     function.	However, this behavior is implementation-specific.

     Lastly, exit() and _Exit() call _exit(2).	Note that typically _exit(2)
     only passes the lower 8 bits of status on to the parent, thus negative
     values have less meaning.

     The exit() and _Exit() functions never return.

     _exit(2), atexit(3), intro(3), sysexits(3), tmpfile(3)

     The exit() and _Exit() functions conform to ANSI/ISO/IEC 9899-1999
     (``ANSI C99'').

OpenBSD 4.9			 May 31, 2007			   OpenBSD 4.9

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