***********************************************************
        ***   THIS CODE CONTAINS SYSTEM DEPENDENCIES.           ***
        ***   IT WILL NOT WORK ON ALL COMPILERS, MACHINES, OR   ***
        ***   OPERATING SYSTEMS.        USE AT YOUR OWN RISK.   ***
        ***********************************************************


        ***********************************************************
        ***   A BETTER WAY TO INTERFACE TO C CODE IS WITH XS.   ***
        ***   PLEASE READ THE "perlxs" DOCUMENTATION BEFORE     ***
        ***   MAKING EXTENSIVE USE OF THIS MODULE.              ***
        ***********************************************************