#include "mex.h"

void
mexFunction (int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
  const char *nm;
  nm = mexFunctionName ();
  mexPrintf("You called function: %s\n", nm);
  if (strcmp (nm, "myfunc") == 0)
    mexPrintf("This is the principal function\n", nm);
  return; 
}