| | 1 | .\" Copyright (c) 1990, 1991, 1993 |
| | 2 | .\" The Regents of the University of California. All rights reserved. |
| | 3 | .\" |
| | 4 | .\" This code is derived from software contributed to Berkeley by |
| | 5 | .\" Chris Torek and the American National Standards Committee X3, |
| | 6 | .\" on Information Processing Systems. |
| | 7 | .\" |
| | 8 | .\" Redistribution and use in source and binary forms, with or without |
| | 9 | .\" modification, are permitted provided that the following conditions |
| | 10 | .\" are met: |
| | 11 | .\" 1. Redistributions of source code must retain the above copyright |
| | 12 | .\" notice, this list of conditions and the following disclaimer. |
| | 13 | .\" 2. Redistributions in binary form must reproduce the above copyright |
| | 14 | .\" notice, this list of conditions and the following disclaimer in the |
| | 15 | .\" documentation and/or other materials provided with the distribution. |
| | 16 | .\" 3. All advertising materials mentioning features or use of this software |
| | 17 | .\" must display the following acknowledgement: |
| | 18 | .\" This product includes software developed by the University of |
| | 19 | .\" California, Berkeley and its contributors. |
| | 20 | .\" 4. Neither the name of the University nor the names of its contributors |
| | 21 | .\" may be used to endorse or promote products derived from this software |
| | 22 | .\" without specific prior written permission. |
| | 23 | .\" |
| | 24 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 25 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 26 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 27 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 28 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 29 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 30 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 31 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 32 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 33 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 34 | .\" SUCH DAMAGE. |
| | 35 | .\" |
| | 36 | .\" @(#)strspn.3 8.1 (Berkeley) 6/4/93 |
| | 37 | .\" $FreeBSD: src/lib/libc/string/strspn.3,v 1.8 2001/10/01 16:09:00 ru Exp $ |
| | 38 | .\" |
| | 39 | .Dd June 4, 1993 |
| | 40 | .Dt STRSPN 3 |
| | 41 | .Os |
| | 42 | .Sh NAME |
| | 43 | .Nm strspn |
| | 44 | .Nd span a string |
| | 45 | .Sh LIBRARY |
| | 46 | .Lb libc |
| | 47 | .Sh SYNOPSIS |
| | 48 | .In string.h |
| | 49 | .Ft size_t |
| | 50 | .Fn strspn "const char *s" "const char *charset" |
| | 51 | .Sh DESCRIPTION |
| | 52 | The |
| | 53 | .Fn strspn |
| | 54 | function |
| | 55 | spans the initial part of the null-terminated string |
| | 56 | .Fa s |
| | 57 | as long as the characters from |
| | 58 | .Fa s |
| | 59 | occur in string |
| | 60 | .Fa charset . |
| | 61 | .Sh RETURN VALUES |
| | 62 | The |
| | 63 | .Fn strspn |
| | 64 | function |
| | 65 | returns the number of characters spanned. |
| | 66 | .Sh SEE ALSO |
| | 67 | .Xr memchr 3 , |
| | 68 | .Xr strchr 3 , |
| | 69 | .Xr strcspn 3 , |
| | 70 | .Xr strpbrk 3 , |
| | 71 | .Xr strrchr 3 , |
| | 72 | .Xr strsep 3 , |
| | 73 | .Xr strstr 3 , |
| | 74 | .Xr strtok 3 |
| | 75 | .Sh STANDARDS |
| | 76 | The |
| | 77 | .Fn strspn |
| | 78 | function |
| | 79 | conforms to |
| | 80 | .St -isoC . |
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