ftp.nice.ch/Attic/openStep/developer/resources/IconKit.s.tgz#/IconKit-4.2/FileViewer/FileViewer_main.m

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#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.