glp_write_prob.
Consult the GLPK documentation for more detailed information.writeProbGLPK(lp, fname)"glpkPtr " as returned by
initProbGLPK. This is basically a pointer to a GLPK problem
object.writeProb which calls the GLPK
function glp_write_prob.readMPSGLPK, readLPGLPK,
readProbGLPK,
writeLPGLPK and writeMPSGLPK.