#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

int main(int argc, char* argv[]) {
    char* s1   = "ABC";  // string on the DATA SEGMENT
             // s1 is the address of string on the data segment.
             // The characters ('A', 'B', 'C') are on the data segment.
             // The address where the characters can be found is on the stack segment.

    char  s2[] = "ABC";  // string on the STACK SEGMENT
                         // s2 is an array of char's on the stack segment.
    
    char s3[] = { 'A', 'B', 'C', '\0' };
    char s4[] = {  65,  66,  67,   0  };
    printf("s1 == %s\n", s1);
    printf("s2 == %s\n", s2);
    printf("s3 == %s\n", s3);
    printf("s4 == %s\n", s4);
    return EXIT_SUCCESS;
}

/*
 char fmt[] = "s1 == %s\n"
 // how many characters are in fmt.
 { 's', '1', ' ', '=', '=', ' ', '%', 's', '\n' } 
 */
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */