hello world code in c

1#include <stdio.h>
2
3int main() {
4   printf("Hello, world!");
5   return 0;
6}

1#include <stdio.h>
2
3int main()
4{
5	printf("Hello, World!\n");
6}

1#include <stdio.h>
2int main() {
3   // printf() displays the string inside quotation
4   printf("Hello, World!");
5   return 0;
6}

1echo "Hello, World"