projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 5b2abdfb | 1 | .\" Copyright (c) 1990, 1991, 1993 |
| e9ce8d39 A |
2 | .\" The Regents of the University of California. All rights reserved. |
| 3 | .\" | |
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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 | .\" | |
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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. | |
| e9ce8d39 A |
16 | .\" 4. Neither the name of the University nor the names of its contributors |
| 17 | .\" may be used to endorse or promote products derived from this software | |
| 18 | .\" without specific prior written permission. | |
| 19 | .\" | |
| 20 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 21 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 22 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 23 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 24 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 25 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 26 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 27 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 28 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 30 | .\" SUCH DAMAGE. | |
| 31 | .\" | |
| 5b2abdfb | 32 | .\" @(#)memchr.3 8.1 (Berkeley) 6/4/93 |
| 1f2f436a | 33 | .\" $FreeBSD: src/lib/libc/string/memchr.3,v 1.12 2009/04/23 08:37:56 brueffer Exp $ |
| e9ce8d39 | 34 | .\" |
| 1f2f436a | 35 | .Dd April 9, 2008 |
| 5b2abdfb | 36 | .Dt MEMCHR 3 |
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37 | .Os |
| 38 | .Sh NAME | |
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39 | .Nm memchr |
| 40 | .Nd locate byte in byte string | |
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41 | .Sh LIBRARY |
| 42 | .Lb libc | |
| 43 | .Sh SYNOPSIS | |
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44 | .In string.h |
| 45 | .Ft void * | |
| ad3c9f2a A |
46 | .Fo memchr |
| 47 | .Fa "const void *s" | |
| 48 | .Fa "int c" | |
| 49 | .Fa "size_t n" | |
| 50 | .Fc | |
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51 | .Sh DESCRIPTION |
| 52 | The | |
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53 | .Fn memchr |
| 54 | function | |
| 55 | locates the first occurrence of | |
| 56 | .Fa c | |
| 57 | (converted to an unsigned char) | |
| 58 | in string | |
| ad3c9f2a | 59 | .Fa s . |
| e9ce8d39 | 60 | .Sh RETURN VALUES |
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61 | The |
| 62 | .Fn memchr | |
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63 | function |
| 64 | returns a pointer to the byte located, | |
| 5b2abdfb | 65 | or NULL if no such byte exists within |
| ad3c9f2a | 66 | .Fa n |
| 5b2abdfb | 67 | bytes. |
| e9ce8d39 | 68 | .Sh SEE ALSO |
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69 | .Xr strchr 3 , |
| 70 | .Xr strcspn 3 , | |
| 71 | .Xr strpbrk 3 , | |
| 72 | .Xr strrchr 3 , | |
| 73 | .Xr strsep 3 , | |
| 74 | .Xr strspn 3 , | |
| 75 | .Xr strstr 3 , | |
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76 | .Xr strtok 3 , |
| 77 | .Xr wmemchr 3 | |
| 5b2abdfb | 78 | .Sh STANDARDS |
| e9ce8d39 | 79 | The |
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80 | .Fn memchr |
| 81 | function | |
| 82 | conforms to | |
| 83 | .St -isoC . |