ref: 7667c666663dbe35c8dcb783670e3c083c5c4ce8
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*);