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Annotation of 43BSDTahoe/man/man3/bstring.3, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1983 Regents of the University of California.
        !             2: .\" All rights reserved.  The Berkeley software License Agreement
        !             3: .\" specifies the terms and conditions for redistribution.
        !             4: .\"
        !             5: .\"    @(#)bstring.3   6.3 (Berkeley) 11/18/87
        !             6: .\"
        !             7: .TH BSTRING 3  "November 18, 1987"
        !             8: .UC 5
        !             9: .SH NAME
        !            10: bcopy, bcmp, bzero, ffs \- bit and byte string operations
        !            11: .SH SYNOPSIS
        !            12: .nf
        !            13: .B bcopy(src, dst, length)
        !            14: .B char *src, *dst;
        !            15: .B int length;
        !            16: .PP
        !            17: .B bcmp(b1, b2, length)
        !            18: .B char *b1, *b2;
        !            19: .B int length;
        !            20: .PP
        !            21: .B bzero(b, length)
        !            22: .B char *b;
        !            23: .B int length;
        !            24: .PP
        !            25: .B ffs(i)
        !            26: .B int i;
        !            27: .fi
        !            28: .SH DESCRIPTION
        !            29: The functions
        !            30: .IR bcopy ,
        !            31: .IR bcmp ,
        !            32: and
        !            33: .I bzero
        !            34: operate on variable length strings of bytes.
        !            35: They do not check for null bytes as the routines in
        !            36: .IR string (3)
        !            37: do.
        !            38: .PP
        !            39: .I Bcopy
        !            40: copies 
        !            41: .I length
        !            42: bytes from string
        !            43: .I src
        !            44: to the string
        !            45: .IR dst .
        !            46: .PP
        !            47: .I Bcmp
        !            48: compares byte string
        !            49: .I b1
        !            50: against byte string
        !            51: .IR b2 ,
        !            52: returning zero if they are identical,
        !            53: non-zero otherwise.  Both strings are
        !            54: assumed to be
        !            55: .I length
        !            56: bytes long.
        !            57: .B Bcmp
        !            58: of
        !            59: .I length
        !            60: zero bytes always returns zero.
        !            61: .PP
        !            62: .I Bzero
        !            63: places
        !            64: .I length
        !            65: 0 bytes in the string
        !            66: .IR b1 .
        !            67: .PP
        !            68: \fIFfs\fP finds the first bit set in the argument passed it and returns
        !            69: the index of that bit.  Bits are numbered starting at 1, from the right.
        !            70: A return value of 0 indicates the value passed is zero.
        !            71: .SH BUGS
        !            72: The
        !            73: .I bcopy
        !            74: routine take parameters backwards from
        !            75: .IR strcpy .

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