pkgconf_pkg_cflags
if (!apply_env_var(workbuf, client, world, maxdepth, pkgconf_pkg_cflags, filter_cflags, maybe_add_module_definitions))
eflag = pkgconf_pkg_cflags(client, world, &unfiltered_list, maxdepth);
eflag = pkgconf_pkg_cflags(client, world, &unfiltered_list, maxdepth);
PKGCONF_API unsigned int pkgconf_pkg_cflags(pkgconf_client_t *client, pkgconf_pkg_t *root, pkgconf_list_t *list, int maxdepth);