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

void _printf(const char* s) {  // if we had no format codes
    for(int i = 0; s[i] != '\0'; i++) {  // A for loop is also a "conditional jump".
        fputc(s[i], stdout);             // Also:  while, do, switch, if
    }
}

// You need the null terminator for strings in memory as a convention.  It is expected
// by printf(…), strlen(…), and other standard string library functions.
//
// In a double-quoted string literal in your code (e.g., "…"), the '\0' is implicit.
// Otherwise, you are responsible for putting it there.

int main(int argc, char* argv[]) {
    // BAD CODE will follow.
    char s[4];
    s[0] = 'a';
    s[1] = 'c';
    s[2] = 'e';
    // OOPS... forgot the '\0'

    // printf("%s\n", s);
    _printf(s);

    /* $  gcc -o conditional_jump_2 conditional_jump_2.c
     *
     * $  valgrind ./conditional_jump_2
     *
     * Conditional jump or move depends on uninitialised value(s)
     *    at 0x4C2D128: __GI_strlen (vg_replace_strmem.c:462)
     *    by 0x4EA7751: puts (ioputs.c:35)
     *    by 0x40056B: main (conditional_jump_2.c:14)
     */
    
    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */

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