ops_node 2014 maint/gnulib/lib/regexec.c Idx ops_node = -1; ops_node 2022 maint/gnulib/lib/regexec.c ops_node = node; ops_node 2030 maint/gnulib/lib/regexec.c if (ops_node >= 0) ops_node 2032 maint/gnulib/lib/regexec.c err = sub_epsilon_src_nodes (dfa, ops_node, dest_nodes,