function returns the standard host name for the current
processor, as previously set by
specifies the size of the
If insufficient space is provided, the returned name is truncated.
The returned name is always NUL terminated.
If no space is provided, an error is returned.
sets the name of the host machine to be
which has length
This call is restricted to the superuser and
is normally used only when the system is bootstrapped.
If the call succeeds a value of 0 is returned.
If the call fails, a value of \-1 is returned and an error code is
placed in the global variable
The following errors may be returned by these calls:
parameter gave an invalid address.
parameter was zero.
The caller tried to set the hostname and was not the superuser.
function call appeared in
Host names are limited to
characters, currently 256.
This includes the terminating NUL character.
If the buffer passed to
is smaller than
other operating systems may not guarantee termination with NUL.