add interface creg add topic and export symbols

zhangmeng

2022-12-14 4fc07d5d891c251a1fe09c17ee16467d961a8f74

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prefix=/opt
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include
 
Name: Protocol Buffers
Description: Google's Data Interchange Format
Version: 3.17.3
Libs: -L${libdir} -lprotobuf-lite -lpthread
Cflags: -I${includedir} -pthread
Conflicts: protobuf