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- #include <string.h>
- #include <unistd.h>
- #include <sys/utsname.h>
- #include <errno.h>
-
- int
- getdomainname(char *name, size_t len)
- {
- struct utsname uts;
-
- if (name == NULL) {
- errno = EINVAL;
- return -1;
- }
-
- if (__uname(&uts) == -1) return -1;
-
- if (strlen(uts.domainname)+1 > len) {
- errno = EINVAL;
- return -1;
- }
- strcpy(name, uts.domainname);
- return 0;
- }
-