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void __attribute__ ((constructor)) app_init(void);
void __attribute__ ((destructor)) app_fini(void);
Win32 sample
_DLL_InitTerm(HMODULE modhandle, DWORD fdwReason, LPVOID lpvReserved)
{
WSADATA Data;
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
if (_CRT_init() == -1)
return 0L;
/* start with initialization code */
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