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/***
*loaddll.c - load or free a Dynamic Link Library
*
* Copyright (c) 1991, Microsoft Corporation. All rights reserved.
*
*Purpose:
* defines _loaddll() and _unloaddll() - load and unload DLL
*
*Revision History:
* 08-21-91 BWM Wrote module.
*
*******************************************************************************/
#include <cruntime.h>
#include <oscalls.h>
#include <assert.h>
#include <stdlib.h>
#include <process.h>
#if !defined(_WIN32_)
#error ERROR - ONLY WIN32 TARGET SUPPORTED!
#endif
/***
*int _loaddll(filename) - Load a dll
*
*Purpose:
* Load a DLL into memory
*
*Entry:
* char *filename - file to load
*
*Exit:
* returns a unique DLL (module) handle if succeeds
* returns 0 if fails
*
*Exceptions:
*
*******************************************************************************/
int _CALLTYPE1 _loaddll(char * szName)
{
return ((int)LoadLibrary(szName));
}
/***
*int _unloaddll(handle) - Unload a dll
*
*Purpose:
* Unloads a DLL. The resources of the DLL will be freed if no other
* processes are using it.
*
*Entry:
* int handle - handle from _loaddll
*
*Exit:
* returns 0 if succeeds
* returns DOS error if fails
*
*Exceptions:
*
*******************************************************************************/
int _CALLTYPE1 _unloaddll(int hMod)
{
if (!FreeLibrary((HANDLE)hMod)) {
return ((int)GetLastError());
}
return (0);
}
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