handle changes in bison 3.x * acinclude.m4 (OCTAVE_PROG_BISON): Also check for the proper way to declare api.prefix. * build-aux/common.mk (BISON_API_PREFIX_DECL_STYLE): New variable. * lex.ll: Conditionally define YYSTYPE. * oct-parse.in.yy (%API_PREFIX_DECL%): Allow for differences in the way api.prefix is specified in different versions of bison. * libinterp/parse-tree/module.mk (parse-tree/oct-parse.yy): Also substitute %API_PREFIX_DECL% in lex.ll.

#include "mex.h"

void
mexFunction (int nlhs, mxArray* plhs[],
             int nrhs, const mxArray* prhs[])
{
  mwSize n;
  mwIndex i;

  if (nrhs != 1 || ! mxIsCell (prhs[0]))
    mexErrMsgTxt ("ARG1 must be a cell");

  n = mxGetNumberOfElements (prhs[0]);
  n = (n > nlhs ? nlhs : n);

  for (i = 0; i < n; i++)
    plhs[i] = mxDuplicateArray (mxGetCell (prhs[0], i));
}