| /* Case-insensitive string comparison functions in C locale. | |
| Copyright (C) 1995-1996, 2001, 2003, 2005, 2009-2023 Free Software | |
| Foundation, Inc. | |
| This file is free software: you can redistribute it and/or modify | |
| it under the terms of the GNU Lesser General Public License as | |
| published by the Free Software Foundation; either version 2.1 of the | |
| License, or (at your option) any later version. | |
| This file is distributed in the hope that it will be useful, | |
| but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| GNU Lesser General Public License for more details. | |
| You should have received a copy of the GNU Lesser General Public License | |
| along with this program. If not, see <https://www.gnu.org/licenses/>. */ | |
| /* The functions defined in this file assume the "C" locale and a character | |
| set without diacritics (ASCII-US or EBCDIC-US or something like that). | |
| Even if the "C" locale on a particular system is an extension of the ASCII | |
| character set (like on BeOS, where it is UTF-8, or on AmigaOS, where it | |
| is ISO-8859-1), the functions in this file recognize only the ASCII | |
| characters. More precisely, one of the string arguments must be an ASCII | |
| string; the other one can also contain non-ASCII characters (but then | |
| the comparison result will be nonzero). */ | |
| extern "C" { | |
| /* Compare strings S1 and S2, ignoring case, returning less than, equal to or | |
| greater than zero if S1 is lexicographically less than, equal to or greater | |
| than S2. */ | |
| extern int c_strcasecmp (const char *s1, const char *s2) _GL_ATTRIBUTE_PURE; | |
| /* Compare no more than N characters of strings S1 and S2, ignoring case, | |
| returning less than, equal to or greater than zero if S1 is | |
| lexicographically less than, equal to or greater than S2. */ | |
| extern int c_strncasecmp (const char *s1, const char *s2, size_t n) | |
| _GL_ATTRIBUTE_PURE; | |
| } | |