.\"return the host name .DT query_host_name Discworld driver help query_host_name Name .SI 5 query_host_name() - return the host name .EI Synopsis .SI 5 string query_host_name() .EI Description .SP 5 5 query_host_name() returns the name of the host. .EP Return values .SI 5 query_host_name() returns: .EI .TP a string hostname on success. .TP an empty string on failure. See also .SI 5 .EI