Return value of a C function to ASM

Question

I\'m trying to call a function from within ASM. I know how to call it, but i\'m having trouble finding how to get the return value of this function. An example follows:

Answer 1

It depends on the platform and the calling convention, but usually, the return value should already be returned in eax if it's a primitive type or pointer and in the floating point register st(0) if it's a floating point type, I think.