/* Copyright (C) 2003  The KOS Team
    Copyright (C) 1999  Free Software Foundation
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 2
    of the License, 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 General Public License for more details.
    
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
    USA. 
 */
 #ifndef _SOS_LIBC_STRING_H_
 #define _SOS_LIBC_STRING_H_
 
 #include <types.h>
 
 /**
  * @file string.h
  *
  * Most of the prototypes of these functions are borrowed from
  * FreeBSD, but their implementation (in klibc.c) come either from Kos
  * (GPL v2) or from David Decotigny (SOS).
  */
 
 void *memcpy(void *dst, const void *src, register unsigned int size ) ;
 void *memset(void *dst, register int c, register unsigned int length ) ;
 int memcmp(const void *s1, const void *s2, size_t n);
 
 unsigned int strlen( register const char *str) ;
 unsigned int strnlen(const char * s, size_t maxlen);
 
 /**
  * @note Same as strncpy(), with a slightly different semantic.
  * Actually, strncpy(3C) says " The result will not be null-terminated
  * if the length of 'from' is n or more.".  Here, 'dst' is ALWAYS
  * null-terminated. And its total len will ALWAYS be <= len, with
  * null-terminating-char included.
  */
 char *strzcpy( register char *dst, register const char *src,
                register int len ) ;
 
 /**
  * @note Same as strncat(), with the same semantic : 'dst' is ALWAYS
  * null-terminated. And its total len will ALWAYS be <= len, with
  * null-terminating-char included.
  */
 char *strzcat (char *dest, const char *src,
                const size_t len);
  
 int strcmp(register const char *s1, register const char *s2 );
 int strncmp(register const char *s1, register const char *s2,
             register int len );
 
 
 #define islower(c)  (('a' <= (c)) && ((c) <= 'z'))
 #define isupper(c)  (('A' <= (c)) && ((c) <= 'Z'))
 #define isdigit(c)  (('0' <= (c)) && ((c) <= '9'))
 #define isspace(c)  (((c) == ' ') || ((c) == '\t') || \
                     ((c) == '\f') || ((c) == '\n') || \
                     ((c) == '\r') || ((c) == '\v'))
 #define isprint(c)  ((' ' <= (c)) && ((c) <= '~'))
 
 long long int strtoll(const char *nptr, char **endptr, int base);
 long int strtol(const char *nptr, char **endptr, int base);
 long long atoll(const char *nptr);
 long atol(const char *nptr);
 
 
 #endif /* _SOS_LIBC_STRING_H_ */