getScalarHandle Read scalar handle data from a gateway argument.

## Syntax

    int getScalarHandle(void* _pvCtx, int* _piAddress, long long* _pllHandle)

## Arguments

_pvCtx

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

_piAddress

  Address of the Scilab variable.

_pllHandle

  Return handle value.

## Return value

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

# History

5.5.0 This function added in Scilab 5.5.0