Function clfft::ffi::clfftSetPlanCallback

pub unsafe extern fn clfftSetPlanCallback(
    plHandle: clfftPlanHandle, 
    funcName: *const c_char, 
    funcString: *const c_char, 
    localMemSize: c_int, 
    callbackType: clfftCallbackType, 
    userdata: *mut cl_mem, 
    numUserdataBuffers: c_int
) -> clfftStatus