Function 68, subfunction 12 - allocate memory block.
Parameters:
- eax = 68 - function number
- ebx = 12 - subfunction number
- ecx = required size in bytes
Returned value:
- eax = pointer to the allocated block
Remarks:
- Before this call one must initialize process heap by call to
subfunction 11.
- The function allocates an integer number of pages (4 Kb) in such
way that the real size of allocated block is more than or equal to
requested size.