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

//void print_string(char const* s) {

void print_string_evil(char* s) {
    for(int i = 0; s[i] != '\0'; i++) {
        fputc(s[i], stdout);

        // Do some EVIL!!! .. and allow it.
        s[i] = '0';  // not allowed

        // const would have protected this.
    }
    fputc('\n', stdout);
}

int main(int argc, char* argv[]) {
    char s_stack[] = "ABC";
    char const* s = &(s_stack[0]);

    print_string_evil(s);
    print_string_evil(s);
    return EXIT_SUCCESS;
}
/*
e.c: In function ‘main’:
e.c:24:20: warning: passing argument 1 of ‘print_string_evil’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
  print_string_evil(s);
                    ^
e.c:8:30: note: expected ‘char *’ but argument is of type ‘const char *’
 void print_string_evil(char* s) {
                        ~~~~~~^
*/
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