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#include <stc/cstr.h>

int main ()
{
    const char *base = "this is a test string.";
    const char *s2 = "n example";
    const char *s3 = "sample phrase";

    // replace signatures used in the same order as described above:

    // Ustring positions:                                0123456789*123456789*12345
    cstr s = cstr_from(base);                        // "this is a test string."
    cstr m = cstr_clone(s);
    c_autodefer (cstr_drop(&s), cstr_drop(&m)) {
        cstr_append(&m, cstr_str(&m));
        cstr_append(&m, cstr_str(&m));
        printf("%s\n", cstr_str(&m));

        cstr_replace_at(&s, 9, 5, s2);                // "this is an example string." (1)
        printf("(1) %s\n", cstr_str(&s));
        cstr_replace_with_n(&s, 19, 6, s3+7, 6);      // "this is an example phrase." (2)
        printf("(2) %s\n", cstr_str(&s));
        cstr_replace_at(&s, 8, 10, "just a");         // "this is just a phrase."     (3)
        printf("(3) %s\n", cstr_str(&s));
        cstr_replace_with_n(&s, 8, 6,"a shorty", 7);  // "this is a short phrase."    (4)
        printf("(4) %s\n", cstr_str(&s));
        cstr_replace_at(&s, 22, 1, "!!!");            // "this is a short phrase!!!"  (5)
        printf("(5) %s\n", cstr_str(&s));
    }
}