34 lines
1.5 KiB
C
34 lines
1.5 KiB
C
#ifndef LIBC_CTYPE_H
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#define LIBC_CTYPE_H
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#define CTYPE_ISSPACE 0x01 /* 0x9-0xd , 0x20 */
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#define CTYPE_ISUPPER 0x02 /* 'A'-'Z' */
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#define CTYPE_ISLOWER 0x04 /* 'a'-'z' */
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#define CTYPE_ISDIGIT 0x08 /* '0'-'9' */
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#define CTYPE_ISHEX 0x10 /* 'a'-'f' , 'A'-'F' */
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#define CTYPE_ISCONTROL 0x20 /* 0x0-0x1f , 0x7f */
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#define CTYPE_ISPUNCTUATION 0x40 /* punctuation */
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#define CTYPE_ISKANJI 0x80 /* SJIS 1st BYTE */
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extern unsigned char __ctype_map[0x100];
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#define isalnum(c) (__ctype_map[(unsigned char)c] & (CTYPE_ISDIGIT | CTYPE_ISUPPER | CTYPE_ISLOWER))
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#define isalpha(c) (__ctype_map[(unsigned char)c] & (CTYPE_ISUPPER | CTYPE_ISLOWER))
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#define isascii(c) ((unsigned)(c) < 0x80)
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#define iscntrl(c) (__ctype_map[(unsigned char)c] & CTYPE_ISCONTROL)
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#define isdigit(c) (__ctype_map[(unsigned char)c] & CTYPE_ISDIGIT)
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#define isgraph(c) ((c) >= 0x21 && (c) <= 0x7E)
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#define islower(c) (__ctype_map[(unsigned char)c] & CTYPE_ISLOWER)
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#define isprint(c) ((c) >= 0x20 && (c) <= 0x7E)
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#define ispunct(c) (__ctype_map[(unsigned char)c] & CTYPE_ISPUNCTUATION)
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#define isspace(c) (__ctype_map[(unsigned char)c] & CTYPE_ISSPACE)
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#define isupper(c) (__ctype_map[(unsigned char)c] & CTYPE_ISUPPER)
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#define isxdigit(c) (__ctype_map[(unsigned char)c] & (CTYPE_ISDIGIT | CTYPE_ISHEX))
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#define iskanji(c) (__ctype_map[(unsigned char)c] & CTYPE_ISKANJI)
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#define _toupper(c) ((c) + 'A' - 'a')
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#define _tolower(c) ((c) + 'a' - 'A')
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#define toascii(c) ((c) & 0x7f)
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#endif
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