31 lines
496 B
C
31 lines
496 B
C
#include <sys/types.h>
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#include <sys/param.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <errno.h>
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main(argc, argv)
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char **argv;
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{
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char dom[MAXHOSTNAMELEN];
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if( argc>2 ) {
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fprintf(stderr, "usage: domainname [name]\n");
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exit(1);
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}
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if( argc==2 ) {
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if( setdomainname(argv[1], strlen(argv[1])+1) == -1) {
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perror("setdomainname");
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exit(1);
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}
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exit(0);
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}
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if( getdomainname(dom, sizeof dom) == -1) {
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perror("getdomainname");
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exit(1);
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}
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printf("%s\n", dom);
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exit(0);
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}
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