29 lines
859 B
C
29 lines
859 B
C
/* ctype.h 4.2 85/09/04 */
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#define _U 01
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#define _L 02
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#define _N 04
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#define _S 010
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#define _P 020
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#define _C 040
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#define _X 0100
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#define _B 0200
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extern char _ctype_[];
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#define isalpha(c) ((_ctype_+1)[(int)(c)]&(_U|_L))
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#define isupper(c) ((_ctype_+1)[(int)(c)]&_U)
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#define islower(c) ((_ctype_+1)[(int)(c)]&_L)
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#define isdigit(c) ((_ctype_+1)[(int)(c)]&_N)
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#define isxdigit(c) ((_ctype_+1)[(int)(c)]&(_N|_X))
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#define isspace(c) ((_ctype_+1)[(int)(c)]&_S)
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#define ispunct(c) ((_ctype_+1)[(int)(c)]&_P)
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#define isalnum(c) ((_ctype_+1)[(int)(c)]&(_U|_L|_N))
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#define isprint(c) ((_ctype_+1)[(int)(c)]&(_P|_U|_L|_N|_B))
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#define isgraph(c) ((_ctype_+1)[(int)(c)]&(_P|_U|_L|_N))
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#define iscntrl(c) ((_ctype_+1)[(int)(c)]&_C)
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#define isascii(c) ((unsigned)(c)<=0177)
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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)&0177)
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