/* Case-insensitive string comparison functions in C locale. Copyright (C) 1995-1996, 2001, 2003, 2005, 2009-2015 Free Software Foundation, Inc. This program 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, or (at your option) any later version. This program 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 <http://www.gnu.org/licenses/>. */ #ifndef C_STRCASE_H #define C_STRCASE_H #include <stddef.h> /* 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). */ #ifdef __cplusplus extern "C" { #endif /* 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; #ifdef __cplusplus } #endif #endif /* C_STRCASE_H */