L-29 MCS 275 Fri 23 Mar 2001

/* L-29 MCS 275 Friday 23 March 2001 exploring options of printf() */

#include <stdio.h>

int main()
{
   int i = 75;
   float f = 3.1415;
   char c = 'A';
   int row,col;
   char *s = "Friday";

   printf("\nSome options of printf() to display a character:\n");
   printf("  the character %c, field width 5, left adjusted  : \"%-5c\"\n", c, c);
   printf("  the character %c, field width 5, right adjusted : \"%5c\"\n", c, c);
   printf("  the character %c has ASCII code : %d \n", c, c);

   printf("\nSome options of printf() to display an integer :\n");
   printf("  the integer %d, field width 5, left adjusted     : \"%-5d\"\n", i, i);
   printf("  the integer %d, field width 5, right adjusted    : \"%5d\"\n", i, i);
   printf("  the integer %d, padded with zeros : \"%05d\"\n", i, i);
   printf("  the integer %d, as octal number       : %o\n", i, i);
   printf("  the integer %d, as hexadecimal number : %x\n", i, i);
   printf("  the integer %d is ASCII code of : %c\n", i , i);

   printf("\nThe ASCII table : \n");
   for (row = 0; row < 256/16; row++)
   {
      for (col = 0; col < 16; col++)
         printf("%4c", row*16+col );
      printf("\n");
   }

   printf("\nSome options of printf() to display a float :\n");
   printf("  the float %f in scientific notation : %e\n", f, f);
   printf("  the float %f with precision 3 : %.3f\n", f, f);
   printf("  precision 3, field width 10, right adjusted : \"%10.3f\"\n", f, f);
   printf("  precision 3, field width 10, left adjusted  : \"%-10.3f\"\n", f, f);

   printf("\nSome options of printf() to display a string:\n");
   printf("  the string %s, field width 10, right adjusted : \"%10s\"\n", s, s);
   printf("  the string %s, field width 10, left adjusted  : \"%-10s\"\n", s, s);
   printf("  precision 3, field width 10, right adjusted : \"%10.3s\"\n", s, s);
   printf("  precision 3, field width 10, left adjusted  : \"%-10.3s\"\n", s, s);

   return 0;
}