How to print Hello with out using ;(semi-colon)?

This can be done using following ways:

1.#include<stdio.h>

void main(){

    if(printf("Hello world")){

    }

}

2.#include<stdio.h>

void main(){

    while(!printf("Hello world")){

    }

}

3.#include<stdio.h>

void main(){

    switch(printf("Hello world")){

    }

}