while loop in C

/* Simple while loop in C (C) 2017 by Adm1n_0v3rride*/
#include <stdio.h>
#include <stdlib.h>

int main() {

    int x;

    x = 0;

    while(x < 20) {
        printf("Hello,world!");
        x=x+1;
    }
    return 0;
}