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13 usage(FILE *fp,
char *prog) {
14 fprintf(fp,
"%s domain\n", prog);
15 fprintf(fp,
" print out the mx for domain\n");
20 main(
int argc,
char *argv[])
34 usage(stdout, argv[0]);
40 usage(stdout, argv[0]);
74 " *** invalid answer name %s after MX query for %s\n",