Function cplex_rs_sys::CPXgetsolvecallbackfunc

pub unsafe extern "C" fn CPXgetsolvecallbackfunc(
    env: CPXCENVptr,
    solvecallback_p: *mut Option<unsafe extern "C" fn(xenv: CPXCENVptr, cbdata: *mut c_void, wherefrom: c_int, cbhandle: *mut c_void, useraction: *mut c_int) -> c_int>,
    cbhandle_p: *mut *mut c_void
) -> c_int