Casting a char[x][x] to char *[]?

[homer_3]

So I have some code like

static void myfunc(char * val[])
{
   if(*(val[0]) == 'x')
   //do stuff
}

char foo[30][30];
//populate foo
myfunc(foo);

This won't compile. I tried myfunc((char *[])foo); but that wouldn't compile either. I could only get it to compiile with myfunc((char **)foo);. But this doesn't run because the the value at val[0] gets treated like a pointer. So I tried val[0][0], but the same thing happened.

Is this because I'm casting to char ** when I pass it?