pub unsafe extern "C" fn CPXgetcols(
env: CPXCENVptr,
lp: CPXCLPptr,
nzcnt_p: *mut c_int,
cmatbeg: *mut c_int,
cmatind: *mut c_int,
cmatval: *mut f64,
cmatspace: c_int,
surplus_p: *mut c_int,
begin: c_int,
end: c_int,
) -> c_int