Function gurobi_sys::GRBgetconstrs

pub unsafe extern "C" fn GRBgetconstrs(
    model: *mut GRBmodel, 
    numnzP: *mut c_int, 
    cbeg: *mut c_int, 
    cind: *mut c_int, 
    cval: *mut c_double, 
    start: c_int, 
    len: c_int
) -> c_int