crt0_c.c:18: undefined reference to `WinMain@16'

编译时出现：

[build] E:/sys/devcpp/Dev-Cpp/MinGW64/bin/../lib/gcc/x86_64-w64-mingw32/4.9.2/../../../../x86_64-w64-mingw32/lib/../lib32/libmingw32.a(lib32_libmingw32_a-crt0_c.o): In function `main':

[build] C:/crossdev/src/mingw-w64-v3-git/mingw-w64-crt/crt/crt0_c.c:18: undefined reference to `WinMain@16'