HelenOS sources

RD_LABEL          113 uspace/app/sysinst/rdimg.c 	rdpath = str_dup("/vol/" RD_LABEL);
RD_LABEL          191 uspace/app/sysinst/rdimg.c 	rc = rd_img_part_by_label(vol, RD_LABEL, &rd_svcid);
HelenOS homepage, sources at GitHub