Home | History | Annotate | Download | only in stdlib
      1 /*	$OpenBSD: tolower_.c,v 1.9 2005/08/08 08:05:34 espie Exp $ */
      2 /*
      3  * Written by J.T. Conklin <jtc (at) netbsd.org>.
      4  * Public domain.
      5  */
      6 
      7 #define _ANSI_LIBRARY
      8 #include <ctype.h>
      9 #include <stdio.h>
     10 #include "ctype_private.h"
     11 
     12 const short _C_tolower_[1 + CTYPE_NUM_CHARS] = {
     13 	EOF,
     14 	0x00,	0x01,	0x02,	0x03,	0x04,	0x05,	0x06,	0x07,
     15 	0x08,	0x09,	0x0a,	0x0b,	0x0c,	0x0d,	0x0e,	0x0f,
     16 	0x10,	0x11,	0x12,	0x13,	0x14,	0x15,	0x16,	0x17,
     17 	0x18,	0x19,	0x1a,	0x1b,	0x1c,	0x1d,	0x1e,	0x1f,
     18 	0x20,	0x21,	0x22,	0x23,	0x24,	0x25,	0x26,	0x27,
     19 	0x28,	0x29,	0x2a,	0x2b,	0x2c,	0x2d,	0x2e,	0x2f,
     20 	0x30,	0x31,	0x32,	0x33,	0x34,	0x35,	0x36,	0x37,
     21 	0x38,	0x39,	0x3a,	0x3b,	0x3c,	0x3d,	0x3e,	0x3f,
     22 	0x40,	'a',	'b',	'c',	'd',	'e',	'f',	'g',
     23 	'h',	'i',	'j',	'k',	'l',	'm',	'n',	'o',
     24 	'p',	'q',	'r',	's',	't',	'u',	'v',	'w',
     25 	'x',	'y',	'z',	0x5b,	0x5c,	0x5d,	0x5e,	0x5f,
     26 	0x60,	0x61,	0x62,	0x63,	0x64,	0x65,	0x66,	0x67,
     27 	0x68,	0x69,	0x6a,	0x6b,	0x6c,	0x6d,	0x6e,	0x6f,
     28 	0x70,	0x71,	0x72,	0x73,	0x74,	0x75,	0x76,	0x77,
     29 	0x78,	0x79,	0x7a,	0x7b,	0x7c,	0x7d,	0x7e,	0x7f,
     30 	0x80,	0x81,	0x82,	0x83,	0x84,	0x85,	0x86,	0x87,
     31 	0x88,	0x89,	0x8a,	0x8b,	0x8c,	0x8d,	0x8e,	0x8f,
     32 	0x90,	0x91,	0x92,	0x93,	0x94,	0x95,	0x96,	0x97,
     33 	0x98,	0x99,	0x9a,	0x9b,	0x9c,	0x9d,	0x9e,	0x9f,
     34 	0xa0,	0xa1,	0xa2,	0xa3,	0xa4,	0xa5,	0xa6,	0xa7,
     35 	0xa8,	0xa9,	0xaa,	0xab,	0xac,	0xad,	0xae,	0xaf,
     36 	0xb0,	0xb1,	0xb2,	0xb3,	0xb4,	0xb5,	0xb6,	0xb7,
     37 	0xb8,	0xb9,	0xba,	0xbb,	0xbc,	0xbd,	0xbe,	0xbf,
     38 	0xc0,	0xc1,	0xc2,	0xc3,	0xc4,	0xc5,	0xc6,	0xc7,
     39 	0xc8,	0xc9,	0xca,	0xcb,	0xcc,	0xcd,	0xce,	0xcf,
     40 	0xd0,	0xd1,	0xd2,	0xd3,	0xd4,	0xd5,	0xd6,	0xd7,
     41 	0xd8,	0xd9,	0xda,	0xdb,	0xdc,	0xdd,	0xde,	0xdf,
     42 	0xe0,	0xe1,	0xe2,	0xe3,	0xe4,	0xe5,	0xe6,	0xe7,
     43 	0xe8,	0xe9,	0xea,	0xeb,	0xec,	0xed,	0xee,	0xef,
     44 	0xf0,	0xf1,	0xf2,	0xf3,	0xf4,	0xf5,	0xf6,	0xf7,
     45 	0xf8,	0xf9,	0xfa,	0xfb,	0xfc,	0xfd,	0xfe,	0xff
     46 };
     47 
     48 const short *_tolower_tab_ = _C_tolower_;
     49 
     50 #undef tolower
     51 int
     52 tolower(int c)
     53 {
     54 	if ((unsigned int)c > 255)
     55 		return(c);
     56 	return((_tolower_tab_ + 1)[c]);
     57 }
     58