##用ATL向导做的基于COM的DLL不可以使用C函数吗??比如fopen()??
我想把一个写日志的函数做到COM DLL里,编译报告以下错误
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Linking...
Creating library ReleaseMinSize/SaveLog.lib and object ReleaseMinSize/SaveLog.exp
LIBCMT.lib(crt0.obj) : error LNK2001: unresolved external symbol _main
ReleaseMinSize/SaveLog.dll : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.
为何????