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| 1 | .\" Copyright (c) 1983 Regents of the University of California.
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| 2 | .\" All rights reserved. The Berkeley software License Agreement
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| 3 | .\" specifies the terms and conditions for redistribution.
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| 4 | .\"
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| 5 | .\" @(#)exit.3 6.2 (Berkeley) 5/12/86
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| 6 | .\"
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| 7 | .TH EXIT 3 "May 12, 1986"
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| 8 | .UC 5
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| 9 | .SH NAME
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| 10 | exit, atexit \- terminate a process after flushing any pending output
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| 11 | .SH SYNOPSIS
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| 12 | .nf
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| 13 | .ft B
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| 14 | #include <stdlib.h>
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| 15 |
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| 16 | void exit(int \fIstatus\fP)
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| 17 | int atexit(void (*\fIfunc\fP)(void))
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| 18 | .ft R
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| 19 | .fi
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| 20 | .SH DESCRIPTION
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| 21 | .B Exit
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| 22 | first calls all functions registered by
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| 23 | .BR atexit ,
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| 24 | flushes all data buffered by the Standard I/O library, and finally
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| 25 | terminates the process.
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| 26 | .B Exit
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| 27 | never returns.
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| 28 | .PP
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| 29 | .B Atexit
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| 30 | registers the function
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| 31 | .I func
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| 32 | into a table of functions to be called on exit.
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| 33 | .SH "SEE ALSO"
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| 34 | .BR exit (2).
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| 35 | .SH DIAGNOSTICS
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| 36 | .B Atexit
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| 37 | returns 0 on success, \-1 if
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| 38 | .B malloc
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| 39 | cannot allocate more memory for the list of registered functions.
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