copyn
static void copyn(Char *, Char *, int);
copyn(name, path, MAXNAMLEN);
copyn(name, ++p, MAXNAMLEN);
copyn(dir, path, p - path);
copyn(name, &word[1], MAXNAMLEN); /* name sans ~ */
copyn(items[numitems], entry, MAXNAMLEN);
copyn(word, STRtilde, 1);
copyn(word, dir, max_word_length);
copyn(extended_name, entry, MAXNAMLEN);