int repodata_lookup_num(Repodata *data, Id solvid, Id keyname, unsigned int *value);
int repodata_lookup_void(Repodata *data, Id solvid, Id keyname);
const unsigned char *repodata_lookup_bin_checksum(Repodata *data, Id solvid, Id keyname, Id *typep);
int repodata_lookup_num(Repodata *data, Id solvid, Id keyname, unsigned int *value);
int repodata_lookup_void(Repodata *data, Id solvid, Id keyname);
const unsigned char *repodata_lookup_bin_checksum(Repodata *data, Id solvid, Id keyname, Id *typep);