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Annotation of 43BSDReno/lib/libcompat/4.3/lsearch.3, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1989 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: .\"    @(#)lsearch.3   5.3 (Berkeley) 6/23/90
        !            19: .\"
        !            20: .TH LSEARCH 3 "June 23, 1990"
        !            21: .UC 7
        !            22: .SH NAME
        !            23: lsearch, lfind, \- linear searching routines
        !            24: .SH SYNOPSIS
        !            25: .ft B
        !            26: .nf
        !            27: char *
        !            28: lsearch(const void *key, const void *base,
        !            29: size_t *nelp, size_t width, 
        !            30: int (*compar) (void *, void *));
        !            31: .sp
        !            32: char *
        !            33: lfind(const void *key, const void *base,
        !            34: size_t *nelp, size_t width,
        !            35: int (*compar) (void *, void *));
        !            36: .ft R
        !            37: .SH DESCRIPTION
        !            38: .ft B
        !            39: This interface was obsolete before it was written.
        !            40: It is available from the compatibility library, libcompat.
        !            41: .ft R
        !            42: .PP
        !            43: The functions
        !            44: .IR lsearch ,
        !            45: and
        !            46: .IR lfind
        !            47: provide basic linear searching functionality.
        !            48: .PP
        !            49: .I Base
        !            50: is the pointer to the beginning of an array.
        !            51: .I Nelp
        !            52: is the current number of elements in the array, where each element
        !            53: is
        !            54: .I width
        !            55: bytes long.
        !            56: .I Compar
        !            57: is a comparison routine which is used to compare two elements.
        !            58: It is called with two arguments that point to the 
        !            59: .I key
        !            60: object and to an array member, in that order, and must return an integer
        !            61: less than, equal to, or greater than zero if the 
        !            62: .I key
        !            63: object is considered, respectively, to be less than, equal to, or greater
        !            64: than the array member.
        !            65: .PP
        !            66: .I Lsearch
        !            67: and
        !            68: .I lfind
        !            69: return a pointer into the array referenced by
        !            70: .I base
        !            71: where
        !            72: .I key
        !            73: is located.
        !            74: If
        !            75: .I key
        !            76: does not exist,
        !            77: .I lfind
        !            78: will return a NULL pointer and
        !            79: .I lsearch
        !            80: will add it to the array.
        !            81: When an element is added to the array by
        !            82: .I lsearch
        !            83: the location referenced by the argument
        !            84: .I nelp
        !            85: is incremented by one.
        !            86: .SH "SEE ALSO"
        !            87: bsearch(3), hsearch(3), tsearch(3)

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