sethostname
Name
sethostname -- set host name
Synopsis
int
sethostname(const char
*name, size_t
len);
Description
sethostname changes the host name of the
current processor.
Return Value
On success, 0 is returned.
On error, -1 is returned and
the global variable errno is set appropriately.
Errors
- EINVAL
len is negative or larger than the maximum allowed size.
- EPERM
the caller was not the superuser.
- EFAULT
name is an invalid address.
Notes
The Single UNIX Specification,
Version 2 guarantees that:
Host names are limited to 255 bytes.