FIRST_DEPTH
top->fname = (char **)calloc(FIRST_DEPTH, sizeof (char **));
if (top->len + 1 >= FIRST_DEPTH && top->flag == 0) {
for (i = 0; i < FIRST_DEPTH; i++)
if (fnnn->len + 1 < FIRST_DEPTH) {
fnnn->fname = (char **)calloc(FIRST_DEPTH,