getAllocatedSingleString Get single string variable.

## Syntax

    int getAllocatedSingleString(void* _pvCtx, int* _piAddress, char** _pstData)

    int getAllocatedNamedSingleString(void* _pvCtx, const char* _pstName, char** _pstData)

    int getAllocatedSingleWideString(void* _pvCtx, int* _piAddress, wchar_t** _pwstData)

    int getAllocatedNamedSingleWideString(void* _pvCtx, const char* _pstName, wchar_t** _pwstData)

## Arguments

_pvCtx

  Scilab environment pointer, pass in "pvApiCtx" provided by api_scilab.h.

_piAddress

  Address of the Scilab variable.

_pstName

  Name of the variable for "named" functions.

_pstData

  Return string address.

_pwstData

  Return wide string address.

## Return value

if successful 0, otherwise print error(s) message(s) in the Scilab console and returns first error number.