pub unsafe extern "C" fn Tcl_OpenCommandChannel(
interp: *mut Tcl_Interp,
argc: c_int,
argv: *mut *const c_char,
flags: c_int,
) -> Tcl_Channelpub unsafe extern "C" fn Tcl_OpenCommandChannel(
interp: *mut Tcl_Interp,
argc: c_int,
argv: *mut *const c_char,
flags: c_int,
) -> Tcl_Channel