ffi_platfom_header.rb

module Etc
  class Passwd < FFI::Struct
    @@@
    struct do |s|
      s.include "sys/types.h"
      s.include "pwd.h"

      s.name "struct passwd"
      s.field :pw_name, :string
      s.field :pw_passwd, :string
      s.field :pw_uid, :uint
      s.field :pw_gid, :uint
      s.field :pw_dir, :string
      s.field :pw_shell, :string
    end
    @@@
  end
  class Group < FFI::Struct
    @@@
    struct do |s|
      s.include "sys/types.h"
      s.include "grp.h"

      s.name "struct group"
      s.field :gr_name, :string
      s.field :gr_gid, :uint
    end
    @@@
  end
end