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Annotation of 43BSD/include/ctype.h, revision 1.1

1.1     ! root        1: /*     ctype.h 4.2     85/09/04        */
        !             2: 
        !             3: #define        _U      01
        !             4: #define        _L      02
        !             5: #define        _N      04
        !             6: #define        _S      010
        !             7: #define _P     020
        !             8: #define _C     040
        !             9: #define _X     0100
        !            10: #define        _B      0200
        !            11: 
        !            12: extern char    _ctype_[];
        !            13: 
        !            14: #define        isalpha(c)      ((_ctype_+1)[c]&(_U|_L))
        !            15: #define        isupper(c)      ((_ctype_+1)[c]&_U)
        !            16: #define        islower(c)      ((_ctype_+1)[c]&_L)
        !            17: #define        isdigit(c)      ((_ctype_+1)[c]&_N)
        !            18: #define        isxdigit(c)     ((_ctype_+1)[c]&(_N|_X))
        !            19: #define        isspace(c)      ((_ctype_+1)[c]&_S)
        !            20: #define ispunct(c)     ((_ctype_+1)[c]&_P)
        !            21: #define isalnum(c)     ((_ctype_+1)[c]&(_U|_L|_N))
        !            22: #define isprint(c)     ((_ctype_+1)[c]&(_P|_U|_L|_N|_B))
        !            23: #define isgraph(c)     ((_ctype_+1)[c]&(_P|_U|_L|_N))
        !            24: #define iscntrl(c)     ((_ctype_+1)[c]&_C)
        !            25: #define isascii(c)     ((unsigned)(c)<=0177)
        !            26: #define toupper(c)     ((c)-'a'+'A')
        !            27: #define tolower(c)     ((c)-'A'+'a')
        !            28: #define toascii(c)     ((c)&0177)

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