1 #ifndef lint 2 static char sccsid[] = "@(#)printable.c 4.1 (Berkeley) 01/01/83"; 3 #endif 4 5 main(argc,argv) 6 char *argv[]; 7 { 8 char b[512], *p; 9 int f, c; 10 f = open(argv[1], 0); 11 if (f<0) return(1); 12 p = b + read(f, b, 512); 13 while (p>b) 14 if ( (c= *--p) ==0 || (c&0200) ) return(1); 15 return(0); 16 } 17