[dargueta]

You can also put multiple expressions or no expressions at all. For example:

//No initializing
    int i = SOMEVALUE;
    ...code...
    for(; i < 5; ++i){ ... }
//Multiple statements
    int i , j;
    for(i = 0, j = 2; (i < 6)&&(j < 10); ++i, j +=5) { ... }