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Annotation of researchv10dc/man/adm/man3/exit.3, revision 1.1

1.1     ! root        1: .TH EXIT 3
        !             2: .CT 2 proc_man
        !             3: .SH NAME
        !             4: exit, onexit \(mi terminate process
        !             5: .SH SYNOPSIS
        !             6: .nf
        !             7: .B void exit(status)
        !             8: .B int status;
        !             9: .PP
        !            10: .B int onexit(fn)
        !            11: .B int (*fn)();
        !            12: .fi
        !            13: .SH DESCRIPTION
        !            14: .I Exit
        !            15: is the conventional way to terminate a process.
        !            16: Before calling
        !            17: .I _exit
        !            18: (see
        !            19: .IR exit (2))
        !            20: with
        !            21: .I status
        !            22: as an argument,
        !            23: it calls in reverse order all the functions
        !            24: recorded by
        !            25: .IR onexit .
        !            26: .PP
        !            27: .I Exit
        !            28: can never return.
        !            29: .PP
        !            30: .I Onexit
        !            31: records
        !            32: .I fn
        !            33: as a function to be called by
        !            34: .IR exit .
        !            35: It returns zero if it failed,
        !            36: nonzero otherwise.
        !            37: Typical uses include cleanup routines for
        !            38: .IR stdio (3)
        !            39: and profiling; see
        !            40: .IR monitor (3).
        !            41: .PP
        !            42: Calling
        !            43: .I onexit
        !            44: twice (or more) with the same function argument causes
        !            45: .I exit
        !            46: to invoke the function twice (or more).
        !            47: .PP
        !            48: The function
        !            49: .I fn
        !            50: should be declared as
        !            51: .EX
        !            52:        int fn()
        !            53: .EE
        !            54: .PP
        !            55: The constant
        !            56: .B NONEXIT
        !            57: defined in
        !            58: .B <libc.h>
        !            59: determines how many functions can be recorded.
        !            60: .SH "SEE ALSO"
        !            61: .IR exit (2)

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