Thread: Ascii values

hi all!
m trying to print all the ascii values form 0 to 255. but certain values like value of 11,12,13 is not seen in the output. what colud be the reason . following is my code :

Code:

#include<stdio.h>
#include<conio.h>
main()
{
int iNum;
clrscr();
printf("ASCII CHART-->");
   for(iNum=0;iNum<=255;iNum++)
   printf("%d=%c\t",iNum.iNum);
getch();
return 0;
}