ref: 5c1343cbd75656fc976c4a5aaa6a51ce4ddf1380
dir: /fns.h/
void *emalloc(ulong); void *erealloc(void*, ulong); char *estrdup(char*); Image *eallocimage(Display*, Rectangle, ulong, int, ulong); Memimage *eallocmemimage(Rectangle, ulong); void qball(Rectangle, Point, Point, Quaternion*, Quaternion*);