ref: 0a0395453120ef14e23e56095e09520aeb3af595
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*);