Gets the usage of a database. @param db pointer to the package database to get the status of @param usage pointer to an alpm_db_usage_t to store db's status @return 0 on success, or -1 on error
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Gets the usage of a database. @param db pointer to the package database to get the status of @param usage pointer to an alpm_db_usage_t to store db's status @return 0 on success, or -1 on error