How to use getchar() function to read and print in ASCII value

Code :

#include <stdio.h> #include <stdlib.h> int main(void) { char ch1, ch2, ch3; printf("Enter the first character >"); ch1 = getchar(); printf("Enter the second character >"); fflush(stdin); ch2 = getchar(); printf("Enter the third character >"); fflush(stdin); ch3 = getchar(); printf("\n"); printf("ASCII for character %c is %d.\n", ch1, ch1); printf("ASCII for character %c is %d.\n", ch2, ch2); printf("ASCII for character %c is %d.\n", ch3, ch3); system("pause"); return 0; }