librdf_hash_exists
Name
librdf_hash_exists --       Check if a given key/value is in the hash
 
Synopsis
int librdf_hash_exists (librdf_hash* hash, librdf_hash_datum * key, librdf_hash_datum * value);
Arguments
- hash
-       hash object
     
- key
-       key
     
- value
-       value
     
Return value
    >0 if the key/value exists in the hash, 0 if not, <0 on failure