ref: 8e77dfd345218ec6ba8959707443dace32a6799b
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*);