大家好，第一次写dll
我想写一个枚举硬盘分区的dll，代码如下
enumpartition.h
#ifndef _ENUMPARTITION_H_
#define _ENUMPARTITION_H_
#define DLLIMPORT __declspec (dllexport)
typedef struct _EtParition
{ CHAR *path;
} EtPartition;
EtPartition et_pis[20];
ULONG et_np=0;
DLLIMPORT ULONG et_init();
DLLIMPORT CHAR* et_path(ULONG i);
DLLIMPORT UCHAR et_type(ULONG i);
DLLIMPORT LONGLONG et_size(ULONG i);
#endif enumpartition.c
#include
#include #include
#include #include // Guid definition
#include // Device guids
#include // for SetupDiXxx functions.
#include // for SetupDiXxx functions.
#include #include
#include
#include BOOL APIENTRY DllMain(HINSTANCE hInstance, DWORD reason,
{ return TRUE;
}
BOOL GetDeviceProperty(HDEVINFO IntDevInfo, DWORD Index )
{ SP_DEVICE_INTERFACE_DATA interfaceData;
}
DLLIMPORT ULONG et_init()
{ HDEVINFO hDevInfo, hIntDevInfo;
}
DLLIMPORT CHAR* et_path(ULONG i)
{ if(i>=et_np)return NULL;
}
DLLIMPORT UCHAR et_type(ULONG i)
{ if(i>=et_np)return NULL;
}
DLLIMPORT LONGLONG et_size(ULONG i)
{ if(i>=et_np)return NULL;
} sources
TARGETNAME=enumpartition
TARGETTYPE=DYNLINK
TARGETPATH=obj
TARGETLIBS=$(DDK_LIB_PATH)\setupapi.lib INCLUDES=$(BASEDIR)\inc;
SOURCES=enumpartition.c 我在ddk的build环境下用build编译，却出现如下错误
BUILD: Adding /Y to COPYCMD so xcopy ops won't hang.
BUILD: Object root set to: ==> objchk_wxp_x86
BUILD: Compile and Link for i386
BUILD: Loading C:\WINDDK\3790\build.dat...
BUILD: Computing Include file dependencies:
BUILD: Examining d:\enumpartition directory for files to compile. d:\enumpartition - 1 source files (166 lines)
BUILD: Compiling d:\enumpartition directory
Compiling - enumpartition.c for i386
NMAKE : U1073: don't know how to make 'enumpartition.def'
BUILD: nmake.exe failed - rc = 2
BUILD: Compile errors: not linking d:\enumpartition directory
BUILD: Done 2 files compiled - 2 Warnings - 1 Error - 166 LPS
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