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NAME
       s3d_pep_materials_a - rewrite materials with alpha
SYNOPSIS
       #include <s3d.h>
       int s3d_pep_materials_a(int object, const float *mbuf, uint16_t n);
DESCRIPTION
       Alters the last n pushed materials. See s3d_push_materials_a() for more information how mbuf should look
       like. Use s3d_pep_material_a() if you only want to alter the latest material.
AUTHOR
       Simon Wunderlich
           Author of s3d
s3d                                                                                       S3D_PEP_MATERIALS_A(3)