RUBY_SYMBOL_EXPORT_BEGIN   22 .ext/include/x86_64-linux/ruby/config.h #define RUBY_SYMBOL_EXPORT_BEGIN _Pragma("GCC visibility push(default)")
RUBY_SYMBOL_EXPORT_BEGIN  171 include/ruby/defines.h # define RUBY_SYMBOL_EXPORT_BEGIN /* begin */
RUBY_SYMBOL_EXPORT_BEGIN   48 include/ruby/missing.h # define RUBY_SYMBOL_EXPORT_BEGIN /* begin */