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Gets the current value of the _pgmptrglobal variable.
Returns zero if successful; an error code on failure. If pValue is NULL, the invalid parameter handler is invoked as described in Parameter Validation. If execution is allowed to continue, this function sets errno to EINVAL and returns EINVAL.
The _pgmptrglobal variable contains the full path to the executable associated with the process. For more information, see _pgmptr, _wpgmptr.
For more compatibility information, see Compatibility in the Introduction.
Not applicable. To call the standard C function, use PInvoke. For more information, see Platform Invoke Examples.