mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
if (DEBUG_GTE(DELTASUM, 2)) {
rprintf(FINFO, "recv mapped %s of size %s\n",
mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
if (DEBUG_GTE(DELTASUM, 2)) {
rprintf(FINFO, "recv mapped %s of size %s\n",