Function string_init

dependency/densecrf/examples/lodepng.cpp:291–295

init a {char*, size_t} pair for use as string*/

/*init a {char*, size_t} pair for use as string*/
static void string_init(char** out)
{
    *out = NULL;
    string_resize(out, 0);
}

/*free the above pair again*/
static void string_cleanup(char** out)