STRINGIZE0        121 .ext/include/x86_64-linux/ruby/config.h #define STRINGIZE(expr) STRINGIZE0(expr)
STRINGIZE0        197 include/ruby/defines.h #define STRINGIZE(expr) STRINGIZE0(expr)
STRINGIZE0        198 include/ruby/defines.h #ifndef STRINGIZE0
STRINGIZE0          8 ruby-runner.c  #define STRINGIZE(expr) STRINGIZE0(expr)