#include <stdio.h>
#include "mex.h"
void mexFunction(int nlhs,mxArray *plhs[],int nrhs,const mxArray * prhs[]) {
	int n,m,N,M,buflen,i;
	char *prdata,*pldata;
	if(nrhs == 0) {
		mexErrMsgTxt("One input must be required.");
		return;
	}
	N = mxGetN(prhs[0]);M=mxGetM(prhs[0]);
	if((N * M != 0) && mxIsChar(prhs[0])) {
		buflen = N * M + 1;
		prdata = mxCalloc(buflen,sizeof(char));
		pldata = mxCalloc(buflen,sizeof(char));
		if(0 != mxGetString(prhs[0],prdata,buflen)) {
			mexWarnMsgTxt("Not enough space. String is truncated.");
		}
		memcpy(pldata,prdata,buflen);
		plhs[0] = mxCreateString(pldata);
		mxFree(prdata); // required!!
		mxFree(pldata); // better !! but not necessary
	} else mexErrMsgTxt("Input must be string");
	return;
}