1 line
1.8 KiB
C
1 line
1.8 KiB
C
/****************************************************************
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*
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* ctype.h - character types
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*
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* February 1989
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* Mike Westerfield
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*
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* Copyright 1989
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* Byte Works, Inc.
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*
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****************************************************************/
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#ifndef __ctype__
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#define __ctype__
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extern char __ctype[],__ctype2[];
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#define __digit 0x01
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#define __upper 0x02
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#define __lower 0x04
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#define __control 0x08
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#define __punctuation 0x10
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#define __space 0x20
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#define __hex 0x40
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#define __print 0x80
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#define __csym 0x01
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#define __csymf 0x02
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#define __octal 0x04
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#define isalnum(c) ((__ctype)[(c)+1] & (__upper|__lower|__digit))
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#define isalpha(c) ((__ctype)[(c)+1] & (__upper|__lower))
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#ifndef __KeepNamespacePure__
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#define isascii(c) ((unsigned)(c) < 0x0080)
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#endif
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#define iscntrl(c) ((__ctype)[(c)+1] & __control)
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#ifndef __KeepNamespacePure__
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#define iscsym(c) ((__ctype2)[(c)+1] & __csym)
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#define iscsymf(c) ((__ctype2)[(c)+1] & __csymf)
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#endif
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#define isdigit(c) ((__ctype)[(c)+1] & __digit)
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#define isgraph(c) ((__ctype)[(c)+1] & (__upper|__lower|__digit|__punctuation))
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#define islower(c) ((__ctype)[(c)+1] & __lower)
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#ifndef __KeepNamespacePure__
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#define isodigit(c) ((__ctype2)[(c)+1] & __octal)
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#endif
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#define isprint(c) ((__ctype)[(c)+1] & __print)
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#define ispunct(c) ((__ctype)[(c)+1] & __punctuation)
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#define isspace(c) ((__ctype)[(c)+1] & __space)
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#define isupper(c) ((__ctype)[(c)+1] & __upper)
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#define isxdigit(c) ((__ctype)[(c)+1] & __hex)
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#ifndef __KeepNamespacePure__
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#define toascii(c) ((c) & 0x7F)
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#endif
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int toint(char);
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int tolower(int);
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int toupper(int);
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#define _tolower(c) ((c) | 0x20)
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#define _toupper(c) ((c) & 0x5F)
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#endif
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