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24d56127 LC |
1 | /* Case-insensitive string comparison functions in C locale. |
2 | Copyright (C) 1995-1996, 2001, 2003, 2005 Free Software Foundation, Inc. | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU Lesser General Public License as published by | |
6 | the Free Software Foundation; either version 2, or (at your option) | |
7 | any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public License | |
15 | along with this program; if not, write to the Free Software Foundation, | |
16 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | |
17 | ||
18 | #ifndef C_STRCASE_H | |
19 | #define C_STRCASE_H | |
20 | ||
21 | #include <stddef.h> | |
22 | ||
23 | ||
24 | /* The functions defined in this file assume the "C" locale and a character | |
25 | set without diacritics (ASCII-US or EBCDIC-US or something like that). | |
26 | Even if the "C" locale on a particular system is an extension of the ASCII | |
27 | character set (like on BeOS, where it is UTF-8, or on AmigaOS, where it | |
28 | is ISO-8859-1), the functions in this file recognize only the ASCII | |
29 | characters. More precisely, one of the string arguments must be an ASCII | |
30 | string; the other one can also contain non-ASCII characters (but then | |
31 | the comparison result will be nonzero). */ | |
32 | ||
33 | ||
34 | #ifdef __cplusplus | |
35 | extern "C" { | |
36 | #endif | |
37 | ||
38 | ||
39 | /* Compare strings S1 and S2, ignoring case, returning less than, equal to or | |
40 | greater than zero if S1 is lexicographically less than, equal to or greater | |
41 | than S2. */ | |
42 | extern int c_strcasecmp (const char *s1, const char *s2); | |
43 | ||
44 | /* Compare no more than N characters of strings S1 and S2, ignoring case, | |
45 | returning less than, equal to or greater than zero if S1 is | |
46 | lexicographically less than, equal to or greater than S2. */ | |
47 | extern int c_strncasecmp (const char *s1, const char *s2, size_t n); | |
48 | ||
49 | ||
50 | #ifdef __cplusplus | |
51 | } | |
52 | #endif | |
53 | ||
54 | ||
55 | #endif /* C_STRCASE_H */ |