1 #ifndef _CTYPE_H 2 #define _CTYPE_H 3 /* 4 ** Distributed under the terms of the OpenBeOS License. 5 */ 6 7 #ifdef __cplusplus 8 extern "C" { 9 #endif 10 11 int isalnum(int); 12 int isalpha(int); 13 int isascii(int); 14 int isblank(int); 15 int iscntrl(int); 16 int isdigit(int); 17 int isgraph(int); 18 int islower(int); 19 int isprint(int); 20 int ispunct(int); 21 int isspace(int); 22 int isupper(int); 23 int isxdigit(int); 24 int toascii(int); 25 int tolower(int); 26 int toupper(int); 27 28 enum { 29 _ISblank = 0x0001, /* blank */ 30 _IScntrl = 0x0002, /* control */ 31 _ISpunct = 0x0004, /* punctuation */ 32 _ISalnum = 0x0008, /* alpha-numeric */ 33 _ISupper = 0x0100, /* uppercase */ 34 _ISlower = 0x0200, /* lowercase */ 35 _ISalpha = 0x0400, /* alphabetic */ 36 _ISdigit = 0x0800, /* digit */ 37 _ISxdigit = 0x1000, /* hexadecimal digit */ 38 _ISspace = 0x2000, /* white space */ 39 _ISprint = 0x4000, /* printing */ 40 _ISgraph = 0x8000 /* graphical */ 41 }; 42 43 /* Characteristics */ 44 extern const unsigned short int *__ctype_b; 45 /* Case conversions */ 46 extern const int *__ctype_tolower; 47 extern const int *__ctype_toupper; 48 49 #define __isctype(c, type) \ 50 (__ctype_b[(int)(c)] & (unsigned short int)type) 51 52 #define isascii(c) (((c) & ~0x7f) == 0) /* ASCII characters have bit 8 cleared */ 53 #define toascii(c) ((c) & 0x7f) /* Clear higher bits */ 54 55 #define tolower(c) ((int)__ctype_tolower[(int)(c)]) 56 #define toupper(c) ((int)__ctype_toupper[(int)(c)]) 57 #define _tolower(c) tolower(c) 58 #define _toupper(c) toupper(c) 59 60 #define isalnum(c) __isctype((c), _ISalnum) 61 #define isalpha(c) __isctype((c), _ISalpha) 62 #define isblank(c) __isctype((c), _ISblank) 63 #define iscntrl(c) __isctype((c), _IScntrl) 64 #define isdigit(c) __isctype((c), _ISdigit) 65 #define islower(c) __isctype((c), _ISlower) 66 #define isgraph(c) __isctype((c), _ISgraph) 67 #define isprint(c) __isctype((c), _ISprint) 68 #define ispunct(c) __isctype((c), _ISpunct) 69 #define isspace(c) __isctype((c), _ISspace) 70 #define isupper(c) __isctype((c), _ISupper) 71 #define isxdigit(c) __isctype((c), _ISxdigit) 72 73 #ifdef __cplusplus 74 } 75 #endif 76 77 #endif // _CTYPE_H 78