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36 .\" @(#)exit.3 8.1 (Berkeley) 6/4/93
37 .\" $FreeBSD: src/lib/libc/stdlib/exit.3,v 1.6.2.4 2001/12/14 18:33:58 ru Exp $
38 .\" $DragonFly: src/lib/libc/stdlib/exit.3,v 1.3 2007/06/15 19:36:33 swildner Exp $
46 .Nd perform normal program termination
54 .Fn _Exit "int status"
60 functions terminate a process.
64 performs the following functions in the order listed:
65 .Bl -enum -offset indent
67 Call the functions registered with the
69 function, in the reverse order of their registration.
71 Flush all open output streams.
73 Close all open streams.
75 Unlink all files created with the
82 terminates without calling the functions registered with
86 Code intended to be portable should always use
88 directly as it is defined by
92 Passing arbitrary values back to the environment as
94 is considered bad style;
95 you should use the values
99 If portability is not a concern, you may
100 use the values described in
107 functions never return.