int open[9] { 1 }; int n 1; int t 0; char in[512]; char out[512]; main(argc,argv) char **argv; { int register r,w,p; struct { int x1[2], type, x2[15]; } buf; fstat(1,&buf); t = (buf.type&060000)==020000; while(argc-->1) { open[n++] = creat(argv[1],0666); if(stat(argv[1],&buf)>=0) if((buf.type&060000)==020000) t++; argv++; } r = w = 0; for(;;) { for(p=0;p<512;) { if(r>=w) { if(t>0&&p>0) break; w = read(0,in,512); r = 0; if(w<=0) { stash(p); return; } } out[p++] = in[r++]; } stash(p); } } stash(p) { int k; int i; int d; d = t ? 10 : p; for(i=0; i