qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out);
void CL_LoadFrameGroupBlend(prvm_edict_t *ed, entity_render_t *entrender);
-qboolean CL_BlendTagMatrix(entity_render_t *entrender, int tagindex, matrix4x4_t *blendmatrix);
+int CL_BlendTagMatrix(entity_render_t *entrender, int tagindex, matrix4x4_t *blendmatrix); // returns 0 or an error code
#endif