CRTM_ATMOSPHERE_ADDLAYERCOPY  1
CRTM_GET_MODEL_PROFILE  1
DISPLAY_MESSAGE  4
EXTRA_LAYERS  1
IATM_CREATE  1
IATM_DESTROY  1
INTERP_LINEAR  2
INTERP_LPOLY  2
LAYER_P  1
LAYER_X  2
SHIFT_PROFILE  2