?? ctype.h
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/* ctype.h * * General notice: * This code is part of a boot-monitor package developed as a generic base * platform for embedded system designs. As such, it is likely to be * distributed to various projects beyond the control of the original * author. Please notify the author of any enhancements made or bugs found * so that all may benefit from the changes. In addition, notification back * to the author will allow the new user to pick up changes that may have * been made by other users after this version of the code was distributed. * * Note1: the majority of this code was edited with 4-space tabs. * Note2: as more and more contributions are accepted, the term "author" * is becoming a mis-representation of credit. * * Original author: Ed Sutter * Email: esutter@lucent.com * Phone: 908-582-2351 */#ifndef __INCctypeh#define __INCctypehextern int isalnum();extern int isalpha();extern int iscntrl();extern int isdigit();extern int isgraph();extern int islower();extern int isprint();extern int ispunct();extern int isspace();extern int isupper();extern int isxdigit();extern int tolower();extern int toupper();#define _UPPER 0x1 /* Upper case */#define _LOWER 0x2 /* Lower case */#define _NUMBER 0x4 /* Number */#define _WHITE_SPACE 0x8 /* Whitespace */#define _PUNCT 0x10 /* Punctuation */#define _CONTROL 0x20 /* Control char */#define _HEX_NUMBER 0x40 /* Hex digit */#define _B 0x80 /* Blank */#define _U 0x1 /* Upper case */#define _L 0x2 /* Lower case */#define _N 0x4 /* Numeral (digit) */#define _S 0x8 /* Whitespace */#define _P 0x10 /* Punctuation */#define _C 0x20 /* Control character */#define _X 0x40 /* Hex */#define _B 0x80 /* blank */extern unsigned char ctypetbl[];#define isalpha(c) (ctypetbl[(int)c] & (_U | _L))#define isupper(c) (ctypetbl[(int)c] & (_U))#define islower(c) (ctypetbl[(int)c] & (_L))#define isdigit(c) (ctypetbl[(int)c] & (_N))#define isxdigit(c) (ctypetbl[(int)c] & (_X))#define isspace(c) (ctypetbl[(int)c] & (_S | _C))#define ispunct(c) (ctypetbl[(int)c] & (_P))#define isalnum(c) (ctypetbl[(int)c] & (_U | _L | _N))#define isprint(c) (ctypetbl[(int)c] & (_P | _U | _L | _S | _N))#define isgraph(c) (ctypetbl[(int)c] & (_P | _U | _L | _N))#define iscntrl(c) (ctypetbl[(int)c] & (_C | _C_B))#define toupper(c) ((('a' <= (c))&&((c) <= 'z')) ? ((c) - 'a' + 'A') : (c))#define tolower(c) ((('A' <= (c))&&((c) <= 'Z')) ? ((c) - 'A' + 'a') : (c))#endif /* __INCctypeh */
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