NAME
    LockLayers -- lock all layers from graphics output.

SYNOPSIS
    LockLayers( li )
                a0

    void LockLayers( struct layer_info *);

FUNCTION
    First calls locklayerinfo()
    Make all layers in this layer list locked.

INPUTS
    li - pointer to layer_info structure

BUGS

SEE ALSO
    locklayer, locklayerinfo, graphics/layers.h