pub unsafe extern "C" fn Tcl_ChannelGetOptionProc(
chanTypePtr: *const Tcl_ChannelType,
) -> *mut Tcl_DriverGetOptionProcpub unsafe extern "C" fn Tcl_ChannelGetOptionProc(
chanTypePtr: *const Tcl_ChannelType,
) -> *mut Tcl_DriverGetOptionProc