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sethostid(2) System Calls Manual sethostid(2) NAME sethostid - Sets the unique identifier of the current host SYNOPSIS int sethostid ( int host_id ); PARAMETERS Specifies the unique 32-bit identifier for the current host. DESCRIPTION The sethostid() function allows a calling process with a root user ID to set a new 32-bit identifier for the current host. The sethostid() function enables an application program to reset the host ID. The host ID is a unique number which may be used by application programs. It is usually set to the primary IP address of the local machine. The sethostid() function fails if the calling process does not have su- peruser privilege. RETURN VALUES Upon successful completion, the sethostid() function returns a value of 0 (zero). If the sethostid() function fails, a value of -1 is returned and errno is set to indicate the error. ERRORS If the sethostid() function fails, errno may be set to the following value: The calling process does not have the appropriate privilege. RELATED INFORMATION Functions: gethostid(2), gethostname(2) delim off sethostid(2)