x 윈도우 프로그램인데 도와주세요.

sun에서 application을 만들고 있습니다.
motif 사용한다고 Xm, Xt... 이것저것 사용하고 있는데 잘안되네요.
x-window를 만들고, 텍스트 파일을 읽어서 x-window상에 나타내주는 것이 목적
이고요. 소스는 다음과 같습니다.
고수님들이 무엇이 잘못되었는지 가르쳐 주세요.

#include
#include
#include
#include
#include
#include
#include
#include

void noerror();
void error(int argc, char *argv[]);

void handle_button(w, client_data, call_data)
Widget w;
XtPointer client_data;
XmPushButtonCallbackStruct *call_data;
{
exit(1);
}

main(argc, argv)
int argc;
char *argv[];
{
noerror();

error(argc, argv);

}

void noerror()
{
Display *dpy;
Window w;
Font f;
GC gc;
XSetWindowAttributes xswa;

/* Xlib bottom display */
xswa.override_redirect = True;
dpy = XOpenDisplay(NULL);
w = XCreateSimpleWindow(dpy, RootWindow(dpy, 0), 0,
970,
1240, 50, 2, BlackPixel( dpy,
0 ),
WhitePixel( dpy, 0 ) );

XChangeWindowAttributes (dpy, w, CWOverrideRedirect,
&xswa);

XMapWindow ( dpy, w );
XFlush(dpy);

XMoveWindow(dpy, w, 0, 970);
XMapWindow(dpy, w);
XFlush(dpy);

gc = XCreateGC( dpy, w, 0L, ( XGCValues * )
NULL );
f = XLoadFont(
dpy, "helvetica_bold24" );
XSetFont ( dpy, gc, f );

XDrawString( dpy, w, gc, 14, 14,
">> NO Warning & Caution !!", 27 );

XFlush( dpy );

getchar();

/* XUnloadFont( dpy, f );
XFreeGC( dpy, gc );
XDestroyWindow( dpy, w );
XCloseDisplay( dpy ); */
}

void error(argc, argv)
int argc;
char *argv[];
{

Widget toplevel, rowcol, text_w, button, sb;
XtAppContext app;
Arg args[10];
int n = 0;

char buffer[80];
FILE *stream;

/* Xm full display */

XtSetLanguageProc ( NULL, NULL, NULL);

toplevel = XtVaAppInitialize (&app, "Demos",
NULL, 0, &argc, argv, NULL, NULL);

stream = fopen("result.txt", "rt");
while(!feof(stream)) {
fget(buffer, 80, stream);
}

rowcol = XtVaCreateWidget ("rowcol",
xmRowColumnWidgetClass, toplevel, NULL);

XtSetArg (args[n], XmNrows, 50); n++;
XtSetArg (args[n], XmNcolumns, 200); n++;
XtSetArg (args[n], XmNeditMode, XmMULTI_LINE_EDIT); n++;
XtSetArg (args[n], XmNscrollHorizontal, False); n++;
XtSetArg (args[n], XmNwordWrap, True); n++;
XtSetArg (args[n], XmNvalue, buffer);

text_w = XmCreateScrolledText (rowcol, "text_w", args,
n);
XtManageChild (text_w);

XtVaGetValues (XtParent (text_w), XmNverticalScrollBar,
&sb, NULL);
fclose(stream);
XtManageChild (rowcol);

button=XmCreatePushButton(toplevel, "button", al, ac);
XtManageChild(button);

button = XtVaCreateManagedWidget ("EXIT",
xmPushButtonWidgetClass, rowcol, NULL);
XtAddCallback(button, XmNactivateCallback,
handle_button, NULL);

XtRealizeWidget (toplevel);
XtAppMainLoop (app);

}