Examples of simple scanf() function calls

#include <stdio.h>

int main(void)
{
  int a, b, c;
  float x, y, z;
  char initial, letter, alpha;

  printf("\nEnter 1 integer ");
  scanf("%d", &a);
  printf("\nEnter 2 integers ");
  scanf("%d%d", &b, &c);
  printf("\nYou entered %d %d %d\n", a, b, c);
  printf("Enter 1 float ");
  scanf("%f", &x);
  printf("Enter 2 floats ");
  scanf("%f%f", &y, &z);
  printf("\nYou entered %f %f %f\n", x, y, z);
  printf("\nEnter 1 character ");
  scanf("%c", &initial);
  printf("\nEnter 2 characters ");
  scanf("%c%c", &letter, &alpha);
  printf("\nYou entered %c for initial %c for letter and %c for alpha\n", 
            initial, letter, alpha);

/*Actual code has a line here that clears out the input stream which
  I did not include with this example.  It'll show up when we do loops.*/

  printf("\nChanged input = added a space ");
  printf("\nEnter 1 character ");
  scanf(" %c", &initial);
  printf("\nEnter 2 characters ");
  scanf(" %c %c", &letter, &alpha);
  printf("\nYou entered %c for initial %c for letter and %c for alpha\n", 
            initial, letter, alpha);

  return (0);
}
  

Output for the above program

Enter 1 integer 1
Enter 2 integers 5 9
You entered 1 5 9
Enter 1 float 1.2 2.3 4.5
Enter 2 floats
You entered 1.200000 2.300000 4.500000

Enter 1 character 
Enter 2 characters a b 
You entered 
 for initial a for letter and   for alpha


Changed input = added a space 
Enter 1 character b
Enter 2 characters c d 
You entered b for initial c for letter and d for alpha