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Annotation of 43BSDReno/lib/libc/sys/getgroups.2, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1983 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"    @(#)getgroups.2 6.6 (Berkeley) 6/23/90
        !            19: .\"
        !            20: .TH GETGROUPS 2 "June 23, 1990"
        !            21: .UC 5
        !            22: .SH NAME
        !            23: getgroups \- get group access list
        !            24: .SH SYNOPSIS
        !            25: .nf
        !            26: .ft B
        !            27: #include <sys/param.h>
        !            28: .PP
        !            29: .ft B
        !            30: ngroups = getgroups(gidsetlen, gidset)
        !            31: int ngroups, gidsetlen, *gidset;
        !            32: .fi
        !            33: .SH DESCRIPTION
        !            34: .I Getgroups
        !            35: gets the current group access list of the user process
        !            36: and stores it in the array 
        !            37: .IR gidset .
        !            38: The parameter
        !            39: .I gidsetlen
        !            40: indicates the number of entries that may be placed in 
        !            41: .IR gidset.
        !            42: .I Getgroups
        !            43: returns the actual number of groups returned in
        !            44: .IR gidset .
        !            45: No more than NGROUPS, as defined in
        !            46: .RI < sys/param.h >,
        !            47: will ever
        !            48: be returned.
        !            49: .SH "RETURN VALUE
        !            50: A successful call returns the number of groups in the group set.
        !            51: A value of \-1 indicates that an error occurred, and the error
        !            52: code is stored in the global variable \fIerrno\fP\|.
        !            53: .SH "ERRORS
        !            54: The possible errors for \fIgetgroup\fP are:
        !            55: .TP 15
        !            56: [EINVAL]
        !            57: The argument
        !            58: .I gidsetlen
        !            59: is smaller than the number of groups in the group set.
        !            60: .TP
        !            61: [EFAULT]
        !            62: The argument \fIgidset\fP specifies
        !            63: an invalid address.
        !            64: .SH "SEE ALSO
        !            65: setgroups(2), initgroups(3)
        !            66: .SH BUGS
        !            67: The
        !            68: .I gidset
        !            69: array should be of type
        !            70: .BR gid_t ,
        !            71: but remains integer for compatibility with earlier systems.

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