This is FileViewer_main.m in view mode; [Download] [Up]
#import <AppKit/NSApplication.h>
void main(int argc, char *argv[]) {
    [NSApplication sharedApplication];
    if ([NSBundle loadNibNamed:@"FileViewer.nib" owner:NSApp])
	    [NSApp run];
	    
    [NSApp release];
    exit(0);
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.