1993-03-21 12:45:37 +03:00
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.\" Copyright (c) 1990, 1991 The Regents of the University of California.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" Chris Torek and the American National Standards Committee X3,
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.\" on Information Processing Systems.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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1993-08-01 11:42:49 +04:00
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.\" from: @(#)strcspn.3 5.3 (Berkeley) 6/29/91
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1997-10-09 14:07:40 +04:00
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.\" $NetBSD: strcspn.3,v 1.3 1997/10/09 10:09:06 lukem Exp $
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1993-03-21 12:45:37 +03:00
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.\"
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.Dd June 29, 1991
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.Dt STRCSPN 3
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.Os
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.Sh NAME
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.Nm strcspn
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.Nd span the complement of a string
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.Sh SYNOPSIS
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.Fd #include <string.h>
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.Ft size_t
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.Fn strcspn "const char *s" "const char *charset"
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.Sh DESCRIPTION
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The
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.Fn strcspn
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function
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spans the initial part of the null-terminated string
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.Fa s
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as long as the characters from
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.Fa s
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do not occur in string
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.Fa charset
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(it
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spans the
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.Em complement
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of
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.Fa charset ) .
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.Sh RETURN VALUES
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The
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.Fn strcspn
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function
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returns the number of characters spanned.
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.Sh SEE ALSO
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.Xr index 3 ,
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.Xr memchr 3 ,
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.Xr rindex 3 ,
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.Xr strchr 3 ,
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.Xr strpbrk 3 ,
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.Xr strrchr 3 ,
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.Xr strsep 3 ,
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.Xr strspn 3 ,
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.Xr strstr 3 ,
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.Xr strtok 3
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.Sh STANDARDS
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The
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.Fn strcspn
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function
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conforms to
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.St -ansiC .
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