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1 #include <u.h>2 #include <libc.h>4 void5 usage(void)6 {7 fprint(2, "usage: fsize file...\n");8 exits("usage");9 }11 void12 main(int argc, char **argv)13 {14 int i;15 Dir *d;17 ARGBEGIN{18 default:19 usage();20 }ARGEND21 if(argc == 0)22 usage();24 for(i=0; i<argc; i++){25 if((d = dirstat(argv[i])) == nil)26 fprint(2, "dirstat %s: %r", argv[i]);27 else{28 print("%s: %lld\n", argv[i], d->length);29 free(d);30 }31 }32 }