pub unsafe extern "C" fn Tcl_TraceCommand(
interp: *mut Tcl_Interp,
varName: *const c_char,
flags: c_int,
_proc: *mut Tcl_CommandTraceProc,
clientData: ClientData,
) -> c_intpub unsafe extern "C" fn Tcl_TraceCommand(
interp: *mut Tcl_Interp,
varName: *const c_char,
flags: c_int,
_proc: *mut Tcl_CommandTraceProc,
clientData: ClientData,
) -> c_int