Function spice_sys::gfilum_c

pub unsafe extern "C" fn gfilum_c(
    method: *const c_char, 
    angtyp: *const c_char, 
    target: *const c_char, 
    illmn: *const c_char, 
    fixref: *const c_char, 
    abcorr: *const c_char, 
    obsrvr: *const c_char, 
    spoint: *const c_double, 
    relate: *const c_char, 
    refval: c_double, 
    adjust: c_double, 
    step: c_double, 
    nintvls: c_int, 
    cnfine: *mut SpiceCellC, 
    result: *mut SpiceCellC
)

determines time intervals when a specified constraint on the observed phase, solar incidence, or emission angle at a surface point is met.