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
