ctype.h

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/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Copyright 2001-2004, ps2dev - http://www.ps2dev.org
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/
 
#ifndef __CTYPE_H__
#define __CTYPE_H__
 
#ifdef __cplusplus
extern "C" {
#endif
 
extern unsigned char look_ctype_table(char character);
extern void *get_ctype_table();
 
/* These functions are non-standardized (char instead of int) */
extern char _toupper(char c);
extern char _tolower(char c);
 
#define isascii(c)  ((unsigned int)(c) <= 127)
#define toascii(c)  ((unsigned char)(c) & 127)
 
#define isblank(c)  ((c == ' ') || (c == '\t'))
 
#ifdef USE_IOP_CTYPE_MACRO
 
#define islower(c)  ((c >= 'a') && (c <= 'z'))
#define isupper(c)  ((c >= 'A') && (c <= 'Z'))
#define isdigit(c)  ((c >= '0') && (c <= '9'))
#define iscntrl(c)  ((c >= 0) && (c < 32))
#define isprint(c)  ((c >= 32) && (c <= 127))
 
#define isspace(c)  (isblank(c) || (c == '\f') || (c == '\n') || (c == '\r') || (c == '\v'))
#define isxdigit(c) (isdigit(c) || ((c >= 'A') && (c <= 'F')))
 
#define isalnum(c)  (isalpha(c) || isdigit(c))
#define isalpha(c)  (isupper(c) || islower(c))
#define isgraph(c)  (isprint(c) && !isspace(c))
#define ispunct(c)  (isprint(c) && !(isspace(c) || isalnum(c)))
 
#define toupper(c)  ((unsigned char)(c) + ('a' - 'A'))
#define tolower(c)  ((unsigned char)(c) - ('a' - 'A'))
 
#else
 
#define _U      0x01
#define _L      0x02
#define _N      0x04
#define _S      0x08
#define _P      0x10
#define _C      0x20
#define _X      0x40
#define _B      0x80
 
#define isalpha(c)  (look_ctype_table((unsigned int)(c)) & (_U|_L))
#define isupper(c)  (look_ctype_table((unsigned int)(c)) & (_U))
#define islower(c)  (look_ctype_table((unsigned int)(c)) & (_L))
#define isdigit(c)  (look_ctype_table((unsigned int)(c)) & (_N))
#define isxdigit(c) (look_ctype_table((unsigned int)(c)) & (_X|_N))
#define isspace(c)  (look_ctype_table((unsigned int)(c)) & (_S))
#define ispunct(c)  (look_ctype_table((unsigned int)(c)) & (_P))
#define isalnum(c)  (look_ctype_table((unsigned int)(c)) & (_U|_L|_N))
#define isprint(c)  (look_ctype_table((unsigned int)(c)) & (_P|_U|_L|_N|_B))
#define isgraph(c)  (look_ctype_table((unsigned int)(c)) & (_P|_U|_L|_N))
#define iscntrl(c)  (look_ctype_table((unsigned int)(c)) & (_C))
 
#if __GNUC__ > 3
#undef toupper
#endif
#ifndef toupper
#define toupper(c) _toupper(c)
#endif
 
#if __GNUC__ > 3
#undef tolower
#endif
#ifndef tolower
#define tolower(c) _tolower(c)
#endif
 
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* __CTYPE_H__ */