# mexErrMsgTxt

## Purpose

Issue error message and return to MATLAB.

## C Synopsis

    #include "mex.h"
    void mexErrMsgTxt(error_msg)
      char *error_msg;

## Fortran Synopsis

    subroutine mexErrMsgTxt(error_msg)
    character*(*) error_msg

## Arguments

`error_msg`
  character string with error message

## Description

This routine performs an error return from your MEX-file and causes the MATLAB interpreter to display the specified message.

Memory allocated using `mxCalloc` (but not memory allocated with `malloc` or `calloc`) is freed automatically.

(c) Copyright 1994 by The MathWorks, Inc.