HAVE_PROTOTYPES   119 .ext/include/x86_64-linux/ruby/config.h #define HAVE_PROTOTYPES 1
HAVE_PROTOTYPES    17 dln.h          #  define HAVE_PROTOTYPES 1
HAVE_PROTOTYPES   143 include/ruby/defines.h #  define HAVE_PROTOTYPES 1
HAVE_PROTOTYPES    47 include/ruby/oniguruma.h #  define HAVE_PROTOTYPES 1
HAVE_PROTOTYPES    30 include/ruby/util.h #  define HAVE_PROTOTYPES 1