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#include <string.h>
#include "mex.h"
void
mexFunction (int nlhs, mxArray *plhs[],
int nrhs, const mxArray *prhs[])
{
mwSize m, n;
mwIndex i, j;
mxChar *pi, *po;
if (nrhs != 1 || ! mxIsChar (prhs[0])
|| mxGetNumberOfDimensions (prhs[0]) > 2)
mexErrMsgTxt ("ARG1 must be a char matrix");
m = mxGetM (prhs[0]);
n = mxGetN (prhs[0]);
pi = mxGetChars (prhs[0]);
plhs[0] = mxCreateNumericMatrix (m, n, mxCHAR_CLASS, mxREAL);
po = mxGetChars (plhs[0]);
for (j = 0; j < n; j++)
for (i = 0; i < m; i++)
po[j*m + m - 1 - i] = pi[j*m + i];
}
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