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- /************************************************************
-
- CType.h
- Character handling
-
- Copyright American Telephone & Telegraph
- Used with permission, Apple Computer Inc. 1985-1990.
- All Rights Reserved.
-
- ************************************************************/
-
-
- #ifndef __CTYPE__
- #define __CTYPE__
-
- /* @(#)ctype.h 2.1 */
- /* 3.0 SID # 1.2 */
- #define _U 01
- #define _L 02
- #define _N 04
- #define _S 010
- #define _P 020
- #define _C 040
- #define _B 0100
- #define _X 0200
-
- extern char * const __p_CType;
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- int isalnum (int c);
- #define isalnum(c) ((__p_CType)[c]&(_U|_L|_N))
- int isalpha (int c);
- #define isalpha(c) ((__p_CType)[c]&(_U|_L))
- int iscntrl (int c);
- #define iscntrl(c) ((__p_CType)[c]&_C)
- int isdigit (int c);
- #define isdigit(c) ((__p_CType)[c]&_N)
- int isgraph (int c);
- #define isgraph(c) ((__p_CType)[c]&(_P|_U|_L|_N))
- int islower (int c);
- #define islower(c) ((__p_CType)[c]&_L)
- int isprint (int c);
- #define isprint(c) ((__p_CType)[c]&(_P|_U|_L|_N|_B))
- int ispunct (int c);
- #define ispunct(c) ((__p_CType)[c]&_P)
- int isspace (int c);
- #define isspace(c) ((__p_CType)[c]&_S)
- int isupper (int c);
- #define isupper(c) ((__p_CType)[c]&_U)
- int isxdigit (int c);
- #define isxdigit(c) ((__p_CType)[c]&_X)
-
- int tolower (int c);
- int toupper (int c);
-
- #ifndef __STDC__
-
- int isascii (int c);
- #define isascii(c) ((unsigned char)(c)<=0177)
-
- #define __tolower(c) ((c)-'A'+'a')
- #define __toupper(c) ((c)-'a'+'A')
- int toascii (int c);
- #define toascii(c) ((c)&0177)
-
- #endif
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif
-