extern int v3p_netlib_zlarf_( char *side, v3p_netlib_integer *m, v3p_netlib_integer *n, v3p_netlib_doublecomplex *v, v3p_netlib_integer *incv, v3p_netlib_doublecomplex *tau, v3p_netlib_doublecomplex *c__, v3p_netlib_integer *ldc, v3p_netlib_doublecomplex *work, v3p_netlib_ftnlen side_len );