Function gsl_sys::gsl_odeiv2_evolve_apply_fixed_step

pub unsafe extern "C" fn gsl_odeiv2_evolve_apply_fixed_step(
    e: *mut gsl_odeiv2_evolve, 
    con: *mut gsl_odeiv2_control, 
    step: *mut gsl_odeiv2_step, 
    dydt: *const gsl_odeiv2_system, 
    t: *mut f64, 
    h0: f64, 
    y: *mut f64
) -> c_int