4.4BSD/usr/src/share/man/man3f/exit.3

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.\" Copyright (c) 1983, 1993
.\"	The Regents of the University of California.  All rights reserved.
.\"
.\" This module is believed to contain source code proprietary to AT&T.
.\" Use and redistribution is subject to the Berkeley Software License
.\" Agreement and your Software Agreement with AT&T (Western Electric).
.\"
.\"	@(#)exit.3	8.1 (Berkeley) 6/5/93
.\"
.TH EXIT 3F "June 5, 1993"
.UC 5
.SH NAME
exit \- terminate process with status
.SH SYNOPSIS
.B subroutine exit (status)
.br
.B integer status
.SH DESCRIPTION
.I Exit
flushes and closes all the process's files, and notifies the parent process
if it is executing a
.IR wait .
The low-order 8 bits of 
.I status
are available to the parent process.
(Therefore
.I status
should be in the range 0 \- 255)
.PP
This call will never return.
.PP
The C function
.I exit
may cause cleanup actions before the
final `sys exit'.
.SH FILES
.ie \nM /usr/ucb/lib/libF77.a
.el /usr/lib/libF77.a
.SH "SEE ALSO"
exit(2), fork(2), fork(3F), wait(2), wait(3F)