The SetDllDirectory function in C is a Win32 API used to modify the standard search path for Dynamic-Link Libraries (DLLs) within a process. It is primarily employed to allow applications to load private DLLs stored in custom subdirectories without moving them to the application's root folder.
SetDllDirectoryA function (winbase.h) - Win32 - Microsoft Learn Set Dll Directory C
: Calling this function adds a specified directory to the search path for subsequent calls to LoadLibrary and LoadLibraryEx . The SetDllDirectory function in C is a Win32
: Passing NULL to the function restores the default system search path and re-enables "Safe DLL Search Mode". Set Dll Directory C