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6359
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1 /* Case-insensitive string comparison functions in C locale. |
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2 Copyright (C) 1995-1996, 2001, 2003, 2005 Free Software Foundation, Inc. |
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3 |
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4 This program is free software; you can redistribute it and/or modify |
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5 it under the terms of the GNU General Public License as published by |
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6 the Free Software Foundation; either version 2, or (at your option) |
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7 any later version. |
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8 |
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9 This program is distributed in the hope that it will be useful, |
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 GNU General Public License for more details. |
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13 |
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14 You should have received a copy of the GNU General Public License |
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15 along with this program; if not, write to the Free Software Foundation, |
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16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
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17 |
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18 #ifndef C_STRCASE_H |
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19 #define C_STRCASE_H |
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20 |
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21 #include <stddef.h> |
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22 |
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23 |
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24 /* The functions defined in this file assume the "C" locale and a character |
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25 set without diacritics (ASCII-US or EBCDIC-US or something like that). |
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26 Even if the "C" locale on a particular system is an extension of the ASCII |
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27 character set (like on BeOS, where it is UTF-8, or on AmigaOS, where it |
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28 is ISO-8859-1), the functions in this file recognize only the ASCII |
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29 characters. More precisely, one of the string arguments must be an ASCII |
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30 string; the other one can also contain non-ASCII characters (but then |
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31 the comparison result will be nonzero). */ |
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32 |
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33 |
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34 #ifdef __cplusplus |
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35 extern "C" { |
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36 #endif |
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37 |
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38 |
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39 /* Compare strings S1 and S2, ignoring case, returning less than, equal to or |
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40 greater than zero if S1 is lexicographically less than, equal to or greater |
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41 than S2. */ |
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42 extern int c_strcasecmp (const char *s1, const char *s2); |
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43 |
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44 /* Compare no more than N characters of strings S1 and S2, ignoring case, |
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45 returning less than, equal to or greater than zero if S1 is |
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46 lexicographically less than, equal to or greater than S2. */ |
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47 extern int c_strncasecmp (const char *s1, const char *s2, size_t n); |
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48 |
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49 |
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50 #ifdef __cplusplus |
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51 } |
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52 #endif |
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53 |
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54 |
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55 #endif /* C_STRCASE_H */ |
