| /* This code was taken from http://www.fourmilab.ch/random/ where it states that: |
| |
| This software is in the public domain. Permission to use, copy, modify, and distribute |
| this software and its documentation for any purpose and without fee is hereby granted, |
| without any conditions or restrictions. This software is provided “as is” without |
| express or implied warranty. */ |
| |
| /* ISO 8859/1 Latin-1 "ctype" macro replacements. */ |
| |
| extern unsigned char isoalpha[32], isoupper[32], isolower[32]; |
| |
| #define isISOspace(x) ((isascii(((unsigned char) (x))) && isspace(((unsigned char) (x)))) || ((x) == 0xA0)) |
| #define isISOalpha(x) ((isoalpha[(((unsigned char) (x))) / 8] & (0x80 >> ((((unsigned char) (x))) % 8))) != 0) |
| #define isISOupper(x) ((isoupper[(((unsigned char) (x))) / 8] & (0x80 >> ((((unsigned char) (x))) % 8))) != 0) |
| #define isISOlower(x) ((isolower[(((unsigned char) (x))) / 8] & (0x80 >> ((((unsigned char) (x))) % 8))) != 0) |
| #define isISOprint(x) ((((x) >= ' ') && ((x) <= '~')) || ((x) >= 0xA0)) |
| #define toISOupper(x) (isISOlower(x) ? (isascii(((unsigned char) (x))) ? \ |
| toupper(x) : (((((unsigned char) (x)) != 0xDF) && \ |
| (((unsigned char) (x)) != 0xFF)) ? \ |
| (((unsigned char) (x)) - 0x20) : (x))) : (x)) |
| #define toISOlower(x) (isISOupper(x) ? (isascii(((unsigned char) (x))) ? \ |
| tolower(x) : (((unsigned char) (x)) + 0x20)) \ |
| : (x)) |