Function gsl_sys::gsl_vector_complex_long_double_alloc_from_vector

pub unsafe extern "C" fn gsl_vector_complex_long_double_alloc_from_vector(
    v: *mut gsl_vector_complex_long_double, 
    offset: usize, 
    n: usize, 
    stride: usize
) -> *mut gsl_vector_complex_long_double