preorder 38 compat/regex/regcomp.c static reg_errcode_t preorder (bin_tree_t *root, preorder 1173 compat/regex/regcomp.c preorder (dfa->str_tree, optimize_subexps, dfa); preorder 1190 compat/regex/regcomp.c preorder (dfa->str_tree, calc_next, dfa); preorder 1191 compat/regex/regcomp.c ret = preorder (dfa->str_tree, link_nfa_nodes, dfa);