/* ischeck() program to check Microsoft C's issomething matrix. * it has no other purpose. * 1 to 1 correspondence between 0 to 127 and 128 to 255!!! * WHRauser 10-4-83 Microsoft C Version 1.04 */ #include main() { int i; printf(" dec char hex XBCP SNLU "); printf(" dec char hex XBCP SNLU\n\n"); for (i=0; i<128; i++) { printit(i); printit(i+128); printf("\n"); } }/*main --------------------------------------------*/ printit(i) int i; { int t; int alpha; int x,b,c,p, s,n,l,u; /* bit map */ if isprint(i) alpha = i; else alpha = ' '; t = _ctype[i+1]; /*Stupid, don't they know C is zero origin?*/ x = t & 128 ? 1 : 0; /* X 128 hexadecimal flag */ b = t & 64 ? 1 : 0; /* B 64 blank flag */ c = t & 32 ? 1 : 0; /* C 32 control character flag */ p = t & 16 ? 1 : 0; /* P 16 punctuation flag */ s = t & 8 ? 1 : 0; /* S 8 space flag */ n = t & 4 ? 1 : 0; /* N 4 number flag */ l = t & 2 ? 1 : 0; /* L 2 lower case flag */ u = t & 1 ? 1 : 0; /* U 1 upper case flag */ printf(" %3d %c %3x %1d%1d%1d%1d %1d%1d%1d%1d ", i,alpha,t, x,b,c,p, s,n,l,u); }