Import some files that allow to build a correct libnfc's DLL on Windows platform. (Thanks to Roger Brown from Snapper)
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Romuald Conty
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07a779c880
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294
windows/usb/src/usbstub.cpp
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294
windows/usb/src/usbstub.cpp
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/**************************************************************************
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*
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* Copyright 2010, Roger Brown
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*
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* This file is part of Roger Brown's Toolkit.
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*
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* Roger Brown's Toolkit is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Roger Brown's Toolkit is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Roger Brown's Toolkit. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/*
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* $Id: usbstub.cpp 1220 2010-05-04 03:14:56Z roger.brown $
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*/
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/*
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* this is a stub loader for the LIBUSB0.DLL
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*/
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#include <usb.h>
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#define LIBUSB_CALLTYPE __cdecl
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extern "C"
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{
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typedef void (LIBUSB_CALLTYPE *voidProc)(void);
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}
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class CStubLoader
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{
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HMODULE hDll;
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CRITICAL_SECTION cs;
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const char *name;
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void bomb(DWORD dw)
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{
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RaiseException(dw,EXCEPTION_NONCONTINUABLE,0,0);
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}
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public:
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~CStubLoader()
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{
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/* if (hDll)
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{
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FreeLibrary(hDll);
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}*/
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DeleteCriticalSection(&cs);
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}
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CStubLoader(const char *n) : name(n)
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{
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InitializeCriticalSection(&cs);
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}
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HMODULE get_dll(void)
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{
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HMODULE h=NULL;
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DWORD dw=0;
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EnterCriticalSection(&cs);
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if (!hDll)
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{
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hDll=LoadLibrary(name);
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if (!hDll) dw=GetLastError();
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}
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h=hDll;
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LeaveCriticalSection(&cs);
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if (!h)
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{
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bomb(dw);
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}
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return h;
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}
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voidProc GetProc(const char *name)
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{
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voidProc p=(voidProc)GetProcAddress(get_dll(),name);
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if (!p)
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{
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bomb(GetLastError());
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}
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return p;
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}
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};
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static CStubLoader libusb0("LIBUSB0");
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extern "C"
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{
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# define MAP_FN(ret,name,args) \
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typedef ret (LIBUSB_CALLTYPE *pfn_##name##_t)args; \
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static ret LIBUSB_CALLTYPE load_##name args; \
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static pfn_##name##_t pfn_##name=load_##name,test_##name=##name;
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# define LOAD_FN(name) int success=1; __try { pfn_##name=(pfn_##name##_t)libusb0.GetProc(#name); } __except(1) { success=0; }
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MAP_FN(int,usb_reset,(usb_dev_handle *dev))
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MAP_FN(int,usb_claim_interface,(usb_dev_handle *dev,int))
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MAP_FN(int,usb_find_busses,(void))
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MAP_FN(int,usb_find_devices,(void))
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MAP_FN(void,usb_init,(void))
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MAP_FN(int,usb_close,(usb_dev_handle *dev))
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MAP_FN(int,usb_bulk_write,(usb_dev_handle *,int,char *,int,int));
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MAP_FN(int,usb_bulk_read,(usb_dev_handle *,int,char *,int,int));
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MAP_FN(usb_dev_handle *,usb_open,(struct usb_device *));
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MAP_FN(int,usb_set_configuration,(usb_dev_handle *,int));
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MAP_FN(usb_bus *,usb_get_busses,(void));
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MAP_FN(int,usb_release_interface,(usb_dev_handle *,int));
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MAP_FN(int,usb_get_string_simple,(usb_dev_handle *dev, int index, char *buf,size_t buflen));
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static int LIBUSB_CALLTYPE load_usb_reset(usb_dev_handle *dev)
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{
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LOAD_FN(usb_reset);
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return success ? usb_reset(dev) : -1;
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}
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static int LIBUSB_CALLTYPE load_usb_claim_interface(usb_dev_handle *dev,int interface)
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{
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LOAD_FN(usb_claim_interface)
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return success ? usb_claim_interface(dev,interface) : -1;
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}
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static int LIBUSB_CALLTYPE load_usb_release_interface(usb_dev_handle *dev,int interface)
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{
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LOAD_FN(usb_release_interface)
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return success ? usb_release_interface(dev,interface) : -1;
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}
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static int LIBUSB_CALLTYPE load_usb_close(usb_dev_handle *dev)
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{
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LOAD_FN(usb_close)
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return success ? usb_close(dev) : -1;
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}
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static usb_dev_handle * LIBUSB_CALLTYPE load_usb_open(struct usb_device *dev)
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{
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LOAD_FN(usb_open)
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return success ? usb_open(dev) : NULL;
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}
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static int LIBUSB_CALLTYPE load_usb_find_devices(void)
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{
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LOAD_FN(usb_find_devices)
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return success ? usb_find_devices() : -1;
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}
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static int LIBUSB_CALLTYPE load_usb_find_busses(void)
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{
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LOAD_FN(usb_find_busses)
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return success ? usb_find_busses() : -1;
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}
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static int LIBUSB_CALLTYPE load_usb_set_configuration(usb_dev_handle *dev,int configuration)
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{
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LOAD_FN(usb_set_configuration)
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return success ? usb_set_configuration(dev,configuration) : -1;
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}
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static usb_bus * LIBUSB_CALLTYPE load_usb_get_busses(void)
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{
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LOAD_FN(usb_get_busses)
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return success ? usb_get_busses() : NULL;
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}
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static void LIBUSB_CALLTYPE load_usb_init(void)
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{
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LOAD_FN(usb_init)
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if (success) usb_init();
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}
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static int LIBUSB_CALLTYPE load_usb_bulk_read(usb_dev_handle *dev,int ep,char *bytes,int size,int timeout)
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{
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LOAD_FN(usb_bulk_read);
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return success ? usb_bulk_read(dev,ep,bytes,size,timeout) : -1;
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}
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static int LIBUSB_CALLTYPE load_usb_bulk_write(usb_dev_handle *dev,int ep,char *bytes,int size,int timeout)
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{
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LOAD_FN(usb_bulk_write);
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return success ? usb_bulk_write(dev,ep,bytes,size,timeout) : -1;
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}
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static int LIBUSB_CALLTYPE load_usb_get_string_simple(usb_dev_handle *dev, int index, char *buf,
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size_t buflen)
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{
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LOAD_FN(usb_get_string_simple);
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return success ? usb_get_string_simple(dev,index,buf,buflen) : -1;
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}
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}
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int LIBUSB_CALLTYPE usb_claim_interface(usb_dev_handle *dev, int interface)
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{
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return pfn_usb_claim_interface(dev,interface);
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}
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int LIBUSB_CALLTYPE usb_reset(usb_dev_handle *dev)
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{
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return pfn_usb_reset(dev);
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}
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int LIBUSB_CALLTYPE usb_find_busses(void)
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{
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return pfn_usb_find_busses();
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}
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int LIBUSB_CALLTYPE usb_find_devices(void)
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{
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return pfn_usb_find_devices();
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}
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void LIBUSB_CALLTYPE usb_init(void)
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{
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pfn_usb_init();
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}
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int LIBUSB_CALLTYPE usb_close(usb_dev_handle *dev)
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{
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return pfn_usb_close(dev);
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}
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usb_dev_handle * LIBUSB_CALLTYPE usb_open(struct usb_device *dev)
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{
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return pfn_usb_open(dev);
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}
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int LIBUSB_CALLTYPE usb_set_configuration(usb_dev_handle *dev, int configuration)
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{
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return pfn_usb_set_configuration(dev,configuration);
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}
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struct usb_bus * LIBUSB_CALLTYPE usb_get_busses(void)
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{
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return pfn_usb_get_busses();
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}
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int LIBUSB_CALLTYPE usb_release_interface(usb_dev_handle *dev, int interface)
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{
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return pfn_usb_release_interface(dev,interface);
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}
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int LIBUSB_CALLTYPE usb_bulk_write(usb_dev_handle *dev, int ep, char *bytes, int size,
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int timeout)
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{
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return pfn_usb_bulk_write(dev,ep,bytes,size,timeout);
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}
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int LIBUSB_CALLTYPE usb_bulk_read(usb_dev_handle *dev, int ep, char *bytes, int size,
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int timeout)
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{
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return pfn_usb_bulk_read(dev,ep,bytes,size,timeout);
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}
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int LIBUSB_CALLTYPE usb_get_string_simple(usb_dev_handle *dev, int index, char *buf,
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size_t buflen)
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{
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return pfn_usb_get_string_simple(dev,index,buf,buflen);
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}
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