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#include <u.h>
#include <libc.h>

void
main(int argc, char **argv)
{
        Dir d;

        if(argc != 3){
                fprint(2, "usage: trunc file size\n");
                exits("usage");
        }

        nulldir(&d);
        d.length = strtoull(argv[2], 0, 0);
        if(dirwstat(argv[1], &d) < 0)
                sysfatal("dirwstat: %r");
        exits(0);
}