www.pudn.com > 文件恢复及修补 C 语言源程序.zip > ISCHECK.C

 
/* 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); 
}