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001 /* Copyright (C) 2003 The KOS Team 002 Copyright (C) 1999 Free Software Foundation 003 004 This program is free software; you can redistribute it and/or 005 modify it under the terms of the GNU General Public License 006 as published by the Free Software Foundation; either version 2 007 of the License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU General Public License for more details. 013 014 You should have received a copy of the GNU General Public License 015 along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 017 USA. 018 */ 019 #ifndef _SOS_LIBC_STRING_H_ 020 #define _SOS_LIBC_STRING_H_ 021 022 #include <types.h> 023 024 /** 025 * @file string.h 026 * 027 * Most of the prototypes of these functions are borrowed from 028 * FreeBSD, but their implementation (in klibc.c) come either from Kos 029 * (GPL v2) or from David Decotigny (SOS). 030 */ 031 032 void *memcpy(void *dst, const void *src, register unsigned int size ) ; 033 void *memset(void *dst, register int c, register unsigned int length ) ; 034 int memcmp(const void *s1, const void *s2, size_t n); 035 036 unsigned int strlen( register const char *str) ; 037 unsigned int strnlen(const char * s, size_t maxlen); 038 039 /** 040 * @note Same as strncpy(), with a slightly different semantic. 041 * Actually, strncpy(3C) says " The result will not be null-terminated 042 * if the length of 'from' is n or more.". Here, 'dst' is ALWAYS 043 * null-terminated. And its total len will ALWAYS be <= len, with 044 * null-terminating-char included. 045 */ 046 char *strzcpy( register char *dst, register const char *src, 047 register int len ) ; 048 049 /** 050 * @note Same as strncat(), with the same semantic : 'dst' is ALWAYS 051 * null-terminated. And its total len will ALWAYS be <= len, with 052 * null-terminating-char included. 053 */ 054 char *strzcat (char *dest, const char *src, 055 const size_t len); 056 057 int strcmp(register const char *s1, register const char *s2 ); 058 int strncmp(register const char *s1, register const char *s2, 059 register int len ); 060 061 #endif /* _SOS_LIBC_STRING_H_ */
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