C: Display A Char's Numerical Value.
The char type in C is an integer which gets decoded as a character. You can print the char's numerical type.
https://github.com/pereiradaniel/beginning_c/blob/master/ch2/char.c
// Chars
// Daniel Pereira, 16 November 2022.
// Display a char and it's numerical value.
#include <stdio.h>
int main(int argv, char* argc[])
{
    char c = 0;
    printf("Enter a character: \n");
    scanf(" %c", &c);
    printf("The character: %c\nIt's numerical value: %d\n", c, c);
    return 0;
}https://github.com/pereiradaniel/beginning_c/blob/master/ch2/char.txt
==87== Memcheck, a memory error detector ==87== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==87== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info ==87== Command: ./char ==87== Enter a character: X The character: X It's numerical value: 88 ==87== ==87== HEAP SUMMARY: ==87== in use at exit: 0 bytes in 0 blocks ==87== total heap usage: 2 allocs, 2 frees, 2,048 bytes allocated ==87== ==87== All heap blocks were freed -- no leaks are possible ==87== ==87== For lists of detected and suppressed errors, rerun with: -s ==87== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)