module Solveur {

  struct Bord {
    string X;
    string Y;
    long   n;
  };
  typedef sequence<Bord> seqBords;

  interface FreeFem {
    
    void Bords(in seqBords B);
    void Flux(in string u1, in string u2);

    void Convection(in string cond_init, in double dt, in long n);

  };

};