pub unsafe extern "C" fn Tcl_CreateChannel(
typePtr: *const Tcl_ChannelType,
chanName: *const c_char,
instanceData: ClientData,
mask: c_int,
) -> Tcl_Channelpub unsafe extern "C" fn Tcl_CreateChannel(
typePtr: *const Tcl_ChannelType,
chanName: *const c_char,
instanceData: ClientData,
mask: c_int,
) -> Tcl_Channel