C Program to Print ASCII value of Enter by User

#include<stdio.h>
int main()
{
    char c;
    printf("Enter Character: ");
    scanf("%c",&c);

    // %d displays the integer value of a character
    // %c displays the actual character
    printf("ASCII value of %c = %d",c,c);

    return 0;
}

Output

Enter Character: A
ASCII value of A = 65