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

#define log_str(n) printf("%s == %s\n", (#n), (n))

int main(int argc, char* argv[]) {
    //char stack_str[] = "hello";
    char* data_str = "hello";

    // can always make an address more const than it was before
    char const* const_value_str = data_str; 
    char* const const_addr_str  = data_str; 
    char const* const fully_const_str = data_str; 
    log_str(const_value_str);
    log_str(const_addr_str);
    log_str(fully_const_str);

    // cannot assign, discards const
    //char* discard_const_value = const_value_str;

    // valid because I am copying the character,
    // not modifying the original
    char ch = const_value_str[0];
    printf("%c\n", ch);

    // valid becuase I am copying the address
    char* discard_const_addr = const_addr_str;
    log_str(discard_const_addr);

    return EXIT_SUCCESS;
}
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