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Length: 1577 (0x629)
Types: TextFile
Notes: UNIX file
Names: »ctype.h«
└─⟦f27320a65⟧ Bits:30001972 Commodore 900 hard disk image with partial source code
└─⟦2d53db1df⟧ UNIX Filesystem
└─ ⟦this⟧ »sys/z8001/h/ctype.h«
/* (-lgl
* The information contained herein is a trade secret of Mark Williams
* Company, and is confidential information. It is provided under a
* license agreement, and may be copied or disclosed only under the
* terms of that agreement. Any reproduction or disclosure of this
* material without the express written authorization of Mark Williams
* Company or persuant to the license agreement is unlawful.
*
* COHERENT Version 0.7.3
* Copyright (c) 1982, 1983, 1984.
* An unpublished work by Mark Williams Company, Chicago.
* All rights reserved.
-lgl) */
/*
* Character type classification routines.
* (This is implemented by table lookup).
*/
#ifndef _U
extern readonly char _ctype[];
/* Bits classifications */
#define _U 01 /* Upper case alphabetic */
#define _L 02 /* Lower case alphabetic */
#define _A (_U|_L) /* Alphabetic */
#define _D 010 /* Digit */
#define _S 020 /* White space character */
#define _P 040 /* Punctuation character */
#define _C 0100 /* Control character */
#define _X 0200 /* Printable but nothing else */
#define isalpha(c) ((_ctype+1)[(c)]&_A)
#define isupper(c) ((_ctype+1)[(c)]&_U)
#define islower(c) ((_ctype+1)[(c)]&_L)
#define isdigit(c) ((_ctype+1)[(c)]&_D)
#define isalnum(c) ((_ctype+1)[(c)]&(_A|_D))
#define isspace(c) ((_ctype+1)[(c)]&_S)
#define ispunct(c) ((_ctype+1)[(c)]&_P)
#define isprint(c) ((_ctype+1)[(c)]&(_P|_X|_A|_D))
#define iscntrl(c) ((_ctype+1)[(c)]&_C)
#define isascii(c) (((c)&~0177)==0)
#define tolower(c) ((c)|('a'-'A'))
#define toupper(c) ((c)&~('a'-'A'))
#endif