//en.cppreference.com/w/c/language/if.html
#include <stdio.h>
int main(void)
{
int i = 2;
if (i > 2) {
printf("first is true\n");
} else {
printf("first is false\n");
}
i = 3;
if (i == 3) printf("i == 3\n");
if (i != 3) printf("i != 3 is true\n");
else printf("i != 3 is false\n");
}