pub unsafe extern "C" fn CPXcallbackrejectcandidate(
context: CPXCALLBACKCONTEXTptr,
rcnt: c_int,
nzcnt: c_int,
rhs: *const f64,
sense: *const c_char,
rmatbeg: *const c_int,
rmatind: *const c_int,
rmatval: *const f64,
) -> c_int