M_CHECKOUT       4680 modules/dav/main/mod_dav.c     if (r->method_number == M_CHECKOUT) {
M_CHECKOUT        442 modules/http/http_protocol.c     register_one_method(p, "CHECKOUT", M_CHECKOUT);
M_CHECKOUT        625 modules/http/http_protocol.c                     ? M_CHECKOUT : UNKNOWN_METHOD);