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+'\" et
+.TH GETHOSTNAME "3P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\"
+.SH PROLOG
+This manual page is part of the POSIX Programmer's Manual.
+The Linux implementation of this interface may differ (consult
+the corresponding Linux manual page for details of Linux behavior),
+or the interface may not be implemented on Linux.
+.\"
+.SH NAME
+gethostname
+\(em get name of current host
+.SH SYNOPSIS
+.LP
+.nf
+#include <unistd.h>
+.P
+int gethostname(char *\fIname\fP, size_t \fInamelen\fP);
+.fi
+.SH DESCRIPTION
+The
+\fIgethostname\fR()
+function shall return the standard host name for the current machine.
+The
+.IR namelen
+argument shall specify the size of the array pointed to by the
+.IR name
+argument. The returned name shall be null-terminated, except that if
+.IR 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.
+.P
+Host names are limited to
+{HOST_NAME_MAX}
+bytes.
+.SH "RETURN VALUE"
+Upon successful completion, 0 shall be returned; otherwise, \-1 shall
+be returned.
+.SH ERRORS
+No errors are defined.
+.LP
+.IR "The following sections are informative."
+.SH "EXAMPLES"
+None.
+.SH "APPLICATION USAGE"
+None.
+.SH "RATIONALE"
+None.
+.SH "FUTURE DIRECTIONS"
+None.
+.SH "SEE ALSO"
+.IR "\fIgethostid\fR\^(\|)",
+.IR "\fIuname\fR\^(\|)"
+.P
+The Base Definitions volume of POSIX.1\(hy2017,
+.IR "\fB<unistd.h>\fP"
+.\"
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1-2017, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 7, 2018 Edition,
+Copyright (C) 2018 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 .
+.PP
+Any typographical or formatting errors that appear
+in this page are most likely
+to have been introduced during the conversion of the source files to
+man page format. To report such errors, see
+https://www.kernel.org/doc/man-pages/reporting_bugs.html .