#include <unistd.h>
int getdomainname(char *name, size_t len);
int setdomainname(const char *name, size_t len);
描述
These functions are used to access or to change the domain name of the current processor. If the null-terminated domain name requires more than len bytes,getdomainname() returns the first len bytes (glibc) or returns an error (libc).
返回值
On success, zero is returned. On error, -1 is returned, and errno is set appropriately.
錯誤
|
標籤 |
描述 |
|
EFAULT |
For setdomainname(): name yiibaied outside of user address space. |
|
EINVAL |
For getdomainname() under libc: name is NULL or name is longer than len bytes. |
|
EINVAL |
For setdomainname(): len was negative or too large. |
|
EPERM |
For setdomainname(): the caller is unprivileged (Linux: does not have the CAP_SYS_ADMIN capability). |
遵循於
POSIX does not specify these calls.
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