when I am trying to build my Application in VC6.0; I am geting the following error at the time of Linking

Linking...
Creating library Debug/thrdlib.lib and object Debug/thrdlib.exp
LIBCD.lib(crt0.obj) : error LNK2001: unresolved external symbol _main
Debug/thrdlib.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.