gistfile1.c

#include "mex.h"
#include <string.h>

void mexAdder( int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[] );
void mexMult( int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[] );

void mexFunction( int nlhs, mxArray *plhs[], 
                  int nrhs, const mxArray *prhs[] )
{        
	char *functionName;
	int   functionNameLen;
		
	/* Get the length of the function name string. */
	functionNameLen = (mxGetM(prhs[0]) * mxGetN(prhs[0])) + 1;

	/* Allocate memory for input strings. */
	functionName = (char *) mxCalloc(functionNameLen, sizeof(char));
	
	/* Copy the string to functionName. */
	functionName = mxArrayToString(prhs[0]);
		
	if ( !strcmp(functionName,"adder") ) {
		mexAdder(nlhs, plhs, nrhs-1, &(prhs[1]));
	} else if ( !strcmp(functionName,"mult") ) {
		mexMult(nlhs, plhs, nrhs-1, &(prhs[1]));
	}
		
}