Allocates memory of a specified size from the heap.
#include <prmem.h> _type * PR_NEW(_struct);
- The name of a type.
An pointer to a buffer sized to contain the type
_struct, or if the allocation attempt fails,
PR_GetError() to retrieve the error returned by the libc function.
This macro allocates memory whose size is
sizeof(_struct) and returns a pointer to that memory.