subroutine rforc3(python, elbuf_str, jft, jlt, nel, mtn, igeo, geo, ixr, x, table, xdp, f, npf, tf, skew, flg_kj2, vr, ar, v, dt2t, neltst, ityptst, stifn, stifr, ms, in, fsky, iadr, sensors, offset, anim, partsav, ipartr, tani, fr_wave, bufmat, bufgeo, pm, rby, fx1, fx2, fy1, fy2, fz1, fz2, mx1, mx2, my1, my2, mz1, mz2, gresav, grth, igrth, msrt, dmelrt, itask, h3d_data, jsms, nft, iad, igre, preld1, stf_f, stf, sanin, iresp, impl_s, idyna, snpc)