1 /* 2 * Copyright (c) 1989 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #if defined(LIBC_SCCS) && !defined(lint) 19 static char sccsid[] = "@(#)isctype.c 5.1 (Berkeley) 05/27/89"; 20 #endif /* LIBC_SCCS and not lint */ 21 22 #define _ANSI_LIBRARY 23 #include <ctype.h> 24 25 #undef isalnum 26 isalnum(c) 27 int c; 28 { 29 return((_ctype_ + 1)[c] & (_U|_L|_N)); 30 } 31 32 #undef isalpha 33 isalpha(c) 34 int c; 35 { 36 return((_ctype_ + 1)[c] & (_U|_L)); 37 } 38 39 #undef iscntrl 40 iscntrl(c) 41 int c; 42 { 43 return((_ctype_ + 1)[c] & _C); 44 } 45 46 #undef isdigit 47 isdigit(c) 48 int c; 49 { 50 return((_ctype_ + 1)[c] & _N); 51 } 52 53 #undef isgraph 54 isgraph(c) 55 int c; 56 { 57 return((_ctype_ + 1)[c] & (_P|_U|_L|_N)); 58 } 59 60 #undef islower 61 islower(c) 62 int c; 63 { 64 return((_ctype_ + 1)[c] & _L); 65 } 66 67 #undef isprint 68 isprint(c) 69 int c; 70 { 71 return((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B)); 72 } 73 74 #undef ispunct 75 ispunct(c) 76 int c; 77 { 78 return((_ctype_ + 1)[c] & _P); 79 } 80 81 #undef isspace 82 isspace(c) 83 int c; 84 { 85 return((_ctype_ + 1)[c] & _S); 86 } 87 88 #undef isupper 89 isupper(c) 90 int c; 91 { 92 return((_ctype_ + 1)[c] & _U); 93 } 94 95 #undef isxdigit 96 isxdigit(c) 97 int c; 98 { 99 return((_ctype_ + 1)[c] & (_N|_X)); 100 } 101 102 #undef tolower 103 tolower(c) 104 int c; 105 { 106 return((c) - 'A' + 'a'); 107 } 108 109 #undef toupper 110 toupper(c) 111 int c; 112 { 113 return((c) - 'a' + 'A'); 114 } 115