YP/NIS Functions

• yp_all — Traverse the map and call a function on each entry
• yp_cat — Return an array containing the entire map
• yp_err_string — Returns the error string associated with the given error code
• yp_errno — Returns the error code of the previous operation
• yp_first — Returns the first key-value pair from the named map
• yp_get_default_domain — Fetches the machine's default NIS domain
• yp_master — Returns the machine name of the master NIS server for a map
• yp_match — Returns the matched line
• yp_next — Returns the next key-value pair in the named map
• yp_order — Returns the order number for a map