1/* Case-insensitive string comparison functions in C locale. 2 Copyright (C) 1995-1996, 2001, 2003, 2005, 2009-2010 Free Software 3 Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU Lesser General Public License as published by 7 the Free Software Foundation; either version 2, or (at your option) 8 any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public License 16 along with this program; if not, write to the Free Software Foundation, 17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 18 19#ifndef C_STRCASE_H 20#define C_STRCASE_H 21 22#include <stddef.h> 23 24 25/* The functions defined in this file assume the "C" locale and a character 26 set without diacritics (ASCII-US or EBCDIC-US or something like that). 27 Even if the "C" locale on a particular system is an extension of the ASCII 28 character set (like on BeOS, where it is UTF-8, or on AmigaOS, where it 29 is ISO-8859-1), the functions in this file recognize only the ASCII 30 characters. More precisely, one of the string arguments must be an ASCII 31 string; the other one can also contain non-ASCII characters (but then 32 the comparison result will be nonzero). */ 33 34 35#ifdef __cplusplus 36extern "C" { 37#endif 38 39 40/* Compare strings S1 and S2, ignoring case, returning less than, equal to or 41 greater than zero if S1 is lexicographically less than, equal to or greater 42 than S2. */ 43extern int c_strcasecmp (const char *s1, const char *s2); 44 45/* Compare no more than N characters of strings S1 and S2, ignoring case, 46 returning less than, equal to or greater than zero if S1 is 47 lexicographically less than, equal to or greater than S2. */ 48extern int c_strncasecmp (const char *s1, const char *s2, size_t n); 49 50 51#ifdef __cplusplus 52} 53#endif 54 55 56#endif /* C_STRCASE_H */ 57