/* Program 4-1 */

main ()
{
 int    integer_var = 100;
 float  float_var = 331.79;
 double double_var = 8.44e+11;
 char   char_var = 'W';

 printf ("int    = %d\n", integer_var);
 printf ("float  = %f\n", float_var);
 printf ("double = %e\n", double_var);
 printf ("char   = %c\n", char_var);
}

/* Program Output

int    = 100
float  = 331.789978
double = 8.440000e+11
char   = W

*/