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third_party/cpp_httplib/README.md

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+a header-only http library from github: https://github.com/yhirose/cpp-httplib
+
+**NOTE**
+
+support online LLM REST API calling based on OpenAI protocols or local deployment such as Ollama/vLLM in VideoPipe.
+
+```
+compile test:
+g++ httplib_test.cpp -o httplib_test -O2
+
+and run:
+./httplib_test
+
+```