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Annotation of src/lib/libc/stdlib/atexit.3, Revision 1.2

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1.2     ! mycroft    36: .\"     from: @(#)atexit.3     5.3 (Berkeley) 6/29/91
        !            37: .\"    $Id: $
1.1       cgd        38: .\"
                     39: .Dd June 29, 1991
                     40: .Dt ATEXIT 3
                     41: .Os
                     42: .Sh NAME
                     43: .Nm atexit
                     44: .Nd register a function to be called on exit
                     45: .Sh SYNOPSIS
                     46: .Fd #include <stdlib.h>
                     47: .Ft int
                     48: .Fn atexit "void (*function)(void)"
                     49: .Sh DESCRIPTION
                     50: The
                     51: .Fn atexit
                     52: function
                     53: registers the given
                     54: .Ar function
                     55: to be called at program exit, whether via
                     56: .Xr exit 3
                     57: or via return from the program's
                     58: .Em main .
                     59: Functions so registered are called in reverse order;
                     60: no arguments are passed.
                     61: At least 32 functions can always be registered,
                     62: and more are allowed as long as sufficient memory can be allocated.
                     63: .Sh RETURN VALUES
                     64: .Rv -std atexit
                     65: .Sh ERRORS
                     66: .Bl -tag -width [ENOMEM]
                     67: .It Bq Er ENOMEM
                     68: No memory was available to add the function to the list.
                     69: The existing list of functions is unmodified.
                     70: .El
                     71: .Sh SEE ALSO
                     72: .Xr exit 3
                     73: .Sh STANDARDS
                     74: The
                     75: .Fn atexit
                     76: function
                     77: conforms to
                     78: .St -ansiC .

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