NAME

       gethostname - get name of current host

SYNOPSIS

       #include <unistd.h>

       int gethostname(char *name, size_t namelen);

DESCRIPTION

       The  gethostname()  function  shall return the standard host name for the current machine.
       The namelen argument shall specify the size of the array pointed to by the name  argument.
       The  returned  name  shall  be  null-terminated, except that if namelen is an insufficient
       length to hold the host name, then  the  returned  name  shall  be  truncated  and  it  is
       unspecified whether the returned name is null-terminated.

       Host names are limited to {HOST_NAME_MAX} bytes.

RETURN VALUE

       Upon successful completion, 0 shall be returned; otherwise, -1 shall be returned.

ERRORS

       No errors are defined.

       The following sections are informative.

EXAMPLES

       None.

APPLICATION USAGE

       None.

RATIONALE

       None.

FUTURE DIRECTIONS

       None.

SEE ALSO

       gethostid() , uname() , the Base Definitions volume of IEEE Std 1003.1-2001, <unistd.h>

COPYRIGHT

       Portions  of  this  text  are  reprinted  and  reproduced in electronic form from IEEE Std
       1003.1, 2003 Edition, Standard for Information Technology  --  Portable  Operating  System
       Interface  (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by
       the Institute of Electrical and Electronics Engineers, Inc and  The  Open  Group.  In  the
       event  of  any  discrepancy  between this version and the original IEEE and The Open Group
       Standard, the original IEEE and The Open Group  Standard  is  the  referee  document.  The
       original Standard can be obtained online at http://www.opengroup.org/unix/online.html .