1 static char *sccsid = "@(#)call.c 4.1 (Berkeley) 10/01/80"; 2 char *dn; 3 4 main(argc, argv) 5 char *argv[]; 6 { 7 register f, n, c; 8 9 10 if(argc < 2) 11 goto arg; 12 dn = "/dev/dn0"; 13 if(*argv[1] == '-') { 14 dn = argv[1]+1; 15 argc--; 16 argv++; 17 } 18 if(argc < 2) 19 goto arg; 20 c = 0; 21 loop: 22 f = open(dn, 1); 23 if(f < 0) 24 goto slp; 25 for(n=0; argv[1][n]; n++) 26 ; 27 alarm(120); 28 if(write(f, argv[1], n) == n) 29 exit(0); 30 31 slp: 32 if(f >= 0) 33 close(f); 34 c++; 35 if(c > 100) 36 exit(1); 37 sleep(10); 38 goto loop; 39 40 arg: 41 printf("arg c\n"); 42 exit(1); 43 } 44