gethostname - get name of current host

Syntax

#include <unistd.h> int gethostname(char *name, size_t namelen);

Description gethostname() determines the default name of the current host. The namelen parameter

	specifies the size of the file pointed to by name. A trailing zero is appended to the name, provided namelen is long enough. If the host name exceeds the value namelen, the name is truncated and it is not guaranteed that a trailing zero will be appended.
Return val.	0 -1	if successful. otherwise.
See also	gethostid(), unistd.h.