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.
Overview
The gethostid() function shall retrieve a 32-bit identifier for the current host.
Return value
Upon successful completion, gethostid() shall return an identifier for the current host.
Errors
No errors are defined.
The following sections are informative.
Examples
None.
Application usage
This volume of POSIX.1‐2017 does not define the domain in which the return value is unique.