-int copyfile(s_vol, d_vol, src, dst, newname, adp )
-const struct vol *s_vol, *d_vol;
-char *src, *dst, *newname;
-struct adouble *adp;
+int copyfile(const struct vol *s_vol, const struct vol*d_vol,
+ char *src, char *dst, char *newname, struct adouble *adp)