www.pudn.com > linuxcici1.rar > CTYPE.H
/* ctype.h Defines the ctype macros. Copyright (c) Borland International 1987,1988 All Rights Reserved. */ #if __STDC__ #define _Cdecl #else #define _Cdecl cdecl #endif #define _IS_SP 1 /* is space */ #define _IS_DIG 2 /* is digit indicator */ #define _IS_UPP 4 /* is upper case */ #define _IS_LOW 8 /* is lower case */ #define _IS_HEX 16 /* [A-F or [a-f] */ #define _IS_CTL 32 /* Control */ #define _IS_PUN 64 /* punctuation */ extern char _Cdecl _ctype[]; /* Character type array */ #define isalnum(c) (_ctype[(c) + 1] & (_IS_DIG | _IS_UPP | _IS_LOW)) #define isalpha(c) (_ctype[(c) + 1] & (_IS_UPP | _IS_LOW)) #define isascii(c) ((unsigned)(c) < 128) #define iscntrl(c) (_ctype[(c) + 1] & _IS_CTL) #define isdigit(c) (_ctype[(c) + 1] & _IS_DIG) #define isgraph(c) ((c) >= 0x21 && (c) <= 0x7e) #define islower(c) (_ctype[(c) + 1] & _IS_LOW) #define isprint(c) ((c) >= 0x20 && (c) <= 0x7e) #define ispunct(c) (_ctype[(c) + 1] & _IS_PUN) #define isspace(c) (_ctype[(c) + 1] & _IS_SP) #define isupper(c) (_ctype[(c) + 1] & _IS_UPP) #define isxdigit(c) (_ctype[(c) + 1] & (_IS_DIG | _IS_HEX)) #define _toupper(c) ((c) + 'A' - 'a') #define _tolower(c) ((c) + 'a' - 'A') #define toascii(c) ((c) & 0x7f) int _Cdecl tolower(int ch); int _Cdecl toupper(int ch);