libc

A portable C Library
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xctype.c (913B)

      1 #include <limits.h>
      2 #include <stdio.h>
      3 
      4 #include "ctype.h"
      5 
      6 #if EOF != -1 || UCHAR_MAX != 255
      7 #error WRONG CTYPE TABLE
      8 #endif
      9 
     10 #define XDI (_DI|_XD)
     11 #define XLO (_LO|_XD)
     12 #define XUP (_UP|_XD)
     13 
     14 static const short ctyp_tab[257] = {0,
     15 _BB, _BB, _BB, _BB, _BB, _BB, _BB, _BB,
     16 _BB, _CN, _CN, _CN, _CN, _CN, _BB, _BB,
     17 _BB, _BB, _BB, _BB, _BB, _BB, _BB, _BB,
     18 _BB, _BB, _BB, _BB, _BB, _BB, _BB, _BB,
     19 _SP, _PU, _PU, _PU, _PU, _PU, _PU, _PU,
     20 _PU, _PU, _PU, _PU, _PU, _PU, _PU, _PU,
     21 XDI, XDI, XDI, XDI, XDI, XDI, XDI, XDI,
     22 XDI, XDI, _PU, _PU, _PU, _PU, _PU, _PU,
     23 _PU, XUP, XUP, XUP, XUP, XUP, XUP, XUP,
     24 _UP, _UP, _UP, _UP, _UP, _UP, _UP, _UP,
     25 _UP, _UP, _UP, _UP, _UP, _UP, _UP, _UP,
     26 _UP, _UP, _UP, _PU, _PU, _PU, _PU, _PU,
     27 _PU, XLO, XLO, XLO, XLO, XLO, XLO, _LO,
     28 _LO, _LO, _LO, _LO, _LO, _LO, _LO, _LO,
     29 _LO, _LO, _LO, _LO, _LO, _LO, _LO, _LO,
     30 _LO, _LO, _LO, _PU, _PU, _PU, _PU, _BB,
     31 };
     32 
     33 const short *_Ctype = &ctyp_tab[1];