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* This function replaces the library version of getcwd().
*
* Results:
* The input and output are filesystem paths in native form. The result
* is either the given clientData, if the working directory hasn't
* changed, or a new clientData (owned by our caller), giving the new
* native path, or NULL if the current directory could not be determined.
* If NULL is returned, the caller can examine the standard posix error
* codes to determine the cause of the problem.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
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* This function replaces the library version of getcwd().
*
* Results:
* The input and output are filesystem paths in native form. The result
* is either the given clientData, if the working directory hasn't
* changed, or a new clientData (owned by our caller), giving the new
* native path, or NULL if the current directory could not be determined.
* If NULL is returned, the caller can examine the standard Posix error
* codes to determine the cause of the problem.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
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