HPUX gethostname[2]

gethostname(2) gethostname(2)
NAME
gethostname - get name of current host
SYNOPSIS
#include <unistd.h>
int gethostname(char *hostname, size_t size);
DESCRIPTION
gethostname() returns in the array to which hostname points, the
standard host name for the current processor as set by sethostname()
(see sethostname(2)). size specifies the length of the hostname
array. hostname is null-terminated unless insufficient space is
provided.
RETURN VALUE
gethostname() returns 0 if successful. Otherwise, it returns -1 and
sets errno to indicate the error.
ERRORS
gethostname() can fail if the following is true:
[EFAULT] hostname points to an illegal address. The reliable
detection of this error is implementation dependent.
AUTHOR
gethostname() was developed by the University of California, Berkeley.
SEE ALSO
hostname(1), uname(1), sethostname(2), uname(2).
Hewlett-Packard Company - 1 - HP-UX Release 9.0: August 1992