mruby-limits

call limits.h consts.

puts Limits::CHAR_MAX #=> defined value at limits.h

Installation

use github repository

Write in build_config.rb

MRuby::Build.new do |conf|
  conf.gem :github => 'ksss/mruby-limits', :branch => 'master'
end

or use mgem

mgem add mruby-limits

build

and exec.

rake clean
rake test
rake
mruby -e 'puts Limits::CHAR_MAX'