ref: 7fdc25da4dc85bc6902f6ecdabccf55e601146de
dir: /fns.h/
void *emalloc(ulong); void *erealloc(void*, ulong); Image *eallocimage(Display*, Rectangle, ulong, int, ulong); Memimage *eallocmemimage(Rectangle, ulong); void qball(Rectangle, Point, Point, Quaternion*, Quaternion*);