M_UNCHECKOUT     4684 modules/dav/main/mod_dav.c     if (r->method_number == M_UNCHECKOUT) {
M_UNCHECKOUT      443 modules/http/http_protocol.c     register_one_method(p, "UNCHECKOUT", M_UNCHECKOUT);
M_UNCHECKOUT      639 modules/http/http_protocol.c                     ? M_UNCHECKOUT : UNKNOWN_METHOD);