ptr_iter_t
for (ptr_iter_t i = input_files.begin();
for (ptr_iter_t i = input_files.begin();
for (ptr_iter_t i = include_dirs.begin(); i != include_dirs.end(); ++i) {
for (ptr_iter_t i = list.begin(); i != list.end(); ++i) {
for (ptr_iter_t i = include_dirs.begin(); i != include_dirs.end(); ++i) {