String In C

There are 2 ways to declare a string in c

#include <stdio.h>
#include <string.h>

int main(int argc, char *argv[]) {
    char myString[] = "hello world\0";
    printf("%s\n", myString);

    char* myString2 = "hello world";
    printf("%s\n", myString2);
}

hello world
hello world