求救啊:只有LIB和DLL文件没有.h文件,该如何使用里面的函数呢
我现在有jpegenc.dll和jpegenc.lib,从说明文档里知道里面的函数名
typedef enum
{
EType_JpegEncDecResultSucceed = 0, // 成功
EType_JpegEncDecResultFailed = -1, // 参数不正确
}EJpegEncDecResult;
EJpegEncDecResult JpegDecEncOpen(void **ppvHandle);
EJpegEncDecResult JpegDecEncGetHeader(void *pvHandle, TDecEncInput *ptInput, TDecEncOutputInfo *ptOutput);
EJpegEncDecResult JpegDecEncProcess(void *pvHandle, TDecEncInput *ptInput, TDecEncOutput *ptOutput);
EJpegEncDecResult JpegDecEncClose(void *pvHandle);
但是运行就出现这种错,后面的的红色部分是啥意思啊?
Linking...
test.obj : error LNK2001: unresolved external symbol "enum EJpegEncDecResult __cdecl JpegDecEncProcess(void *,struct TDecEncInput *,struct TDecEncOutput *)" (?JpegDecEncProcess@@YA?AW4EJpegEncDecResult@@PAXPAUTDecEncInput@@PAUTDecEncOutput@@@Z)
test.obj : error LNK2001: unresolved external symbol "enum EJpegEncDecResult __cdecl JpegDecEncClose(void *)" (?JpegDecEncClose@@YA?AW4EJpegEncDecResult@@PAX@Z)
test.obj : error LNK2001: unresolved external symbol "enum EJpegEncDecResult __cdecl JpegDecEncOpen(void * *)" (?JpegDecEncOpen@@YA?AW4EJpegEncDecResult@@PAPAX@Z)
Debug/test_ecode.exe : fatal error LNK1120: 3 unresolved externals
执行 link.exe 时出错.
test_ecode.exe - 1 error(s), 0 warning(s)