OCIDefineByPos

var OCIDefineByPos: function(

  stmtp: POCIStmt;

  var defnp: POCIDefine;

  errhp: POCIError;

  position: ub4;

  valuep: Pdvoid;

  value_sz: sb4;

  dty: ub2;

  indp: Pdvoid;

  rlenp: Pub2;

  rcodep: Pub2;

  mode: ub4

):sword;