ExtAPI module cannot handle those functions with name mangling. about svf HOT 5 OPEN

@shuangxiangkan could you take a look at this name matching case? We need to match using general rules?

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@DesNevermore Did you use the same clang to compile your application code and the extapi.c? If so, they should be the same name either @"fopen" or @"\01_fopen", but not mixed.

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@yuleisui Yes, I use the clang version 14.0.6. The compile command is: clang -w -S -c -emit-llvm -fno-discard-value-names -Xclang -disable-O0-optnone -o ./extapi.bc ./extapi.c for my app code and extapi.c. Just now I retried it, they generated "@fopen" and "@\01_fopen". I don't think there is a guarantee that the compiler will generate the same name using the same clang, since "fopen" in app code is a lib call, while the one in extapi.c is a self-defined function.

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@shuangxiangkan will fix this shortly.

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@DesNevermore
This issue has been fixed in #1393.

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