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/* Copyright (C) 1995,1996 Robert de Bath <rdebath@cix.compulink.co.uk>
* This file is part of the Linux-8086 C library and is distributed
* under the GNU Library General Public License.
*/
/*
* CTYPE Character classification and conversion
*/
/*
* I've copied this here from the bcc libs because cygwin's version has
* the _very_ silly feature of using _P as a private library constant.
*
* Single underscore variables are generally used for private variables
* in user libraries; the few stdio ones being 'leftovers' from version7
* where user and system libraries were one and the same.
*
*/
#ifndef __CTYPE_H
#define __CTYPE_H
static unsigned char __ctype[];
#define __CT_d 0x01 /* numeric digit */
#define __CT_u 0x02 /* upper case */
#define __CT_l 0x04 /* lower case */
#define __CT_c 0x08 /* control character */
#define __CT_s 0x10 /* whitespace */
#define __CT_p 0x20 /* punctuation */
#define __CT_x 0x40 /* hexadecimal */
/* Define these as simple old style ascii versions */
#define toupper(c) (((c)>='a'&&(c)<='z') ? (c)^0x20 : (c))
#define tolower(c) (((c)>='A'&&(c)<='Z') ? (c)^0x20 : (c))
#define _toupper(c) ((c)^0x20)
#define _tolower(c) ((c)^0x20)
#define toascii(c) ((c)&0x7F)
#define __CT(c) (__ctype[1+(unsigned char)c])
/* Note the '!!' is a cast to 'bool' and even BCC deletes it in an if() */
#define isalnum(c) (!!(__CT(c)&(__CT_u|__CT_l|__CT_d)))
#define isalpha(c) (!!(__CT(c)&(__CT_u|__CT_l)))
#define isascii(c) (!((c)&~0x7F))
#define iscntrl(c) (!!(__CT(c)&__CT_c))
#define isdigit(c) (!!(__CT(c)&__CT_d))
#define isgraph(c) (!(__CT(c)&(__CT_c|__CT_s)))
#define islower(c) (!!(__CT(c)&__CT_l))
#define isprint(c) (!(__CT(c)&__CT_c))
#define ispunct(c) (!!(__CT(c)&__CT_p))
#define isspace(c) (!!(__CT(c)&__CT_s))
#define isupper(c) (!!(__CT(c)&__CT_u))
#define isxdigit(c) (!!(__CT(c)&__CT_x))
static unsigned char __ctype[257] =
{
0, /* -1 */
__CT_c, __CT_c, __CT_c, __CT_c, /* 0x00..0x03 */
__CT_c, __CT_c, __CT_c, __CT_c, /* 0x04..0x07 */
__CT_c, __CT_c|__CT_s, __CT_c|__CT_s, __CT_c|__CT_s, /* 0x08..0x0B */
__CT_c|__CT_s, __CT_c|__CT_s, __CT_c, __CT_c, /* 0x0C..0x0F */
__CT_c, __CT_c, __CT_c, __CT_c, /* 0x10..0x13 */
__CT_c, __CT_c, __CT_c, __CT_c, /* 0x14..0x17 */
__CT_c, __CT_c, __CT_c, __CT_c, /* 0x18..0x1B */
__CT_c, __CT_c, __CT_c, __CT_c, /* 0x1C..0x1F */
__CT_s, __CT_p, __CT_p, __CT_p, /* 0x20..0x23 */
__CT_p, __CT_p, __CT_p, __CT_p, /* 0x24..0x27 */
__CT_p, __CT_p, __CT_p, __CT_p, /* 0x28..0x2B */
__CT_p, __CT_p, __CT_p, __CT_p, /* 0x2C..0x2F */
__CT_d|__CT_x, __CT_d|__CT_x, __CT_d|__CT_x, __CT_d|__CT_x,/* 0x30..0x33 */
__CT_d|__CT_x, __CT_d|__CT_x, __CT_d|__CT_x, __CT_d|__CT_x,/* 0x34..0x37 */
__CT_d|__CT_x, __CT_d|__CT_x, __CT_p, __CT_p, /* 0x38..0x3B */
__CT_p, __CT_p, __CT_p, __CT_p, /* 0x3C..0x3F */
__CT_p, __CT_u|__CT_x, __CT_u|__CT_x, __CT_u|__CT_x, /* 0x40..0x43 */
__CT_u|__CT_x, __CT_u|__CT_x, __CT_u|__CT_x, __CT_u, /* 0x44..0x47 */
__CT_u, __CT_u, __CT_u, __CT_u, /* 0x48..0x4B */
__CT_u, __CT_u, __CT_u, __CT_u, /* 0x4C..0x4F */
__CT_u, __CT_u, __CT_u, __CT_u, /* 0x50..0x53 */
__CT_u, __CT_u, __CT_u, __CT_u, /* 0x54..0x57 */
__CT_u, __CT_u, __CT_u, __CT_p, /* 0x58..0x5B */
__CT_p, __CT_p, __CT_p, __CT_p, /* 0x5C..0x5F */
__CT_p, __CT_l|__CT_x, __CT_l|__CT_x, __CT_l|__CT_x, /* 0x60..0x63 */
__CT_l|__CT_x, __CT_l|__CT_x, __CT_l|__CT_x, __CT_l, /* 0x64..0x67 */
__CT_l, __CT_l, __CT_l, __CT_l, /* 0x68..0x6B */
__CT_l, __CT_l, __CT_l, __CT_l, /* 0x6C..0x6F */
__CT_l, __CT_l, __CT_l, __CT_l, /* 0x70..0x73 */
__CT_l, __CT_l, __CT_l, __CT_l, /* 0x74..0x77 */
__CT_l, __CT_l, __CT_l, __CT_p, /* 0x78..0x7B */
__CT_p, __CT_p, __CT_p, __CT_c /* 0x7C..0x7F */
};
#endif /* __CTYPE_H */
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