Function gsl_sys::gsl_linalg_solve_tridiag

pub unsafe extern "C" fn gsl_linalg_solve_tridiag(
    diag: *const gsl_vector, 
    abovediag: *const gsl_vector, 
    belowdiag: *const gsl_vector, 
    b: *const gsl_vector, 
    x: *mut gsl_vector
) -> c_int