51 lines
No EOL
1.6 KiB
C
51 lines
No EOL
1.6 KiB
C
#ifndef _CTYPE_H
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#define _CTYPE_H
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extern unsigned char __ctype_map[256];
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extern unsigned char __lower_map[256];
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extern unsigned char __upper_map[256];
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#define __control_char 0x01
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#define __motion_char 0x02
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#define __space_char 0x04
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#define __punctuation 0x08
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#define __digit 0x10
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#define __hex_digit 0x20
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#define __lower_case 0x40
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#define __upper_case 0x80
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#define __letter (__lower_case | __upper_case)
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#define __alphanumeric (__letter | __digit)
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#define __graphic (__alphanumeric | __punctuation)
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#define __printable (__graphic | __space_char)
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#define __whitespace (__motion_char | __space_char)
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#define __control (__motion_char | __control_char)
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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__declspec(weak) int isalpha(int __c);
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__declspec(weak) int isdigit(int __c);
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__declspec(weak) int isspace(int __c);
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__declspec(weak) int isupper(int __c);
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__declspec(weak) int isxdigit(int __c);
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__declspec(weak) int tolower(int __c);
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__declspec(weak) int toupper(int __c);
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// added underscore to avoid naming conflicts
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inline int _isalpha(int c) { return (int)(__ctype_map[(u8)c] & __letter); }
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inline int _isdigit(int c) { return (int)(__ctype_map[(u8)c] & __digit); }
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inline int _isspace(int c) { return (int)(__ctype_map[(u8)c] & __whitespace); }
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inline int _isupper(int c) { return (int)(__ctype_map[(u8)c] & __upper_case); }
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inline int _isxdigit(int c) { return (int)(__ctype_map[(u8)c] & __hex_digit); }
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inline int _tolower(int c) { return (c == -1 ? -1 : (int)__lower_map[(u8)c]); }
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inline int _toupper(int c) { return (c == -1 ? -1 : (int)__upper_map[(u8)c]); }
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#ifdef __cplusplus
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}
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#endif
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#endif |