SymGetSourceVarFromToken function

Retrieves the value associated with the specified variable name from the Source Server token.


BOOL IMAGEAPI SymGetSourceVarFromToken(
  HANDLE hProcess,
  PVOID  Token,
  PCSTR  Params,
  PCSTR  VarName,
  PSTR   Value,
  DWORD  Size



A handle to a process. This handle must have been previously passed to the SymInitialize function.


A pointer to the token.


This parameter is unused.


The name of the variable token whose value you want to retrieve.


A pointer to a buffer that receives the value associated with the variable token specified in the VarName parameter.


The size of the Value buffer, in characters.

Return Value

If the function succeeds, the return value is TRUE.

If the function fails, the return value is FALSE. To retrieve extended error information, call GetLastError.


All DbgHelp functions, such as this one, are single threaded. Therefore, calls from more than one thread to this function will likely result in unexpected behavior or memory corruption. To avoid this, you must synchronize all concurrent calls from more than one thread to this function.

To call the Unicode version of this function, define DBGHELP_TRANSLATE_TCHAR.


Target Platform Windows
Header dbghelp.h
Library Dbghelp.lib
DLL Dbghelp.dll
Redistributable DbgHelp.dll 6.8 or later