Extension [ <persistent> extension #64 dio version 0.3.0RC1 ] {

  - Constants [36] {
    Constant [ int O_RDONLY ] { 0 }
    Constant [ int O_WRONLY ] { 1 }
    Constant [ int O_RDWR ] { 2 }
    Constant [ int O_CREAT ] { 64 }
    Constant [ int O_EXCL ] { 128 }
    Constant [ int O_TRUNC ] { 512 }
    Constant [ int O_APPEND ] { 1024 }
    Constant [ int O_NONBLOCK ] { 2048 }
    Constant [ int O_NDELAY ] { 2048 }
    Constant [ int O_SYNC ] { 1052672 }
    Constant [ int O_ASYNC ] { 8192 }
    Constant [ int O_NOCTTY ] { 256 }
    Constant [ int S_IRWXU ] { 448 }
    Constant [ int S_IRUSR ] { 256 }
    Constant [ int S_IWUSR ] { 128 }
    Constant [ int S_IXUSR ] { 64 }
    Constant [ int S_IRWXG ] { 56 }
    Constant [ int S_IRGRP ] { 32 }
    Constant [ int S_IWGRP ] { 16 }
    Constant [ int S_IXGRP ] { 8 }
    Constant [ int S_IRWXO ] { 7 }
    Constant [ int S_IROTH ] { 4 }
    Constant [ int S_IWOTH ] { 2 }
    Constant [ int S_IXOTH ] { 1 }
    Constant [ int F_DUPFD ] { 0 }
    Constant [ int F_GETFD ] { 1 }
    Constant [ int F_GETFL ] { 3 }
    Constant [ int F_SETFL ] { 4 }
    Constant [ int F_GETLK ] { 5 }
    Constant [ int F_SETLK ] { 6 }
    Constant [ int F_SETLKW ] { 7 }
    Constant [ int F_SETOWN ] { 8 }
    Constant [ int F_GETOWN ] { 9 }
    Constant [ int F_UNLCK ] { 2 }
    Constant [ int F_RDLCK ] { 0 }
    Constant [ int F_WRLCK ] { 1 }
  }

  - Functions {
    Function [ <internal:dio> function dio_open ] {

      - Parameters [3] {
        Parameter #0 [ <required> string $filename ]
        Parameter #1 [ <required> int $flags ]
        Parameter #2 [ <optional> int $mode = 0 ]
      }
    }
    Function [ <internal:dio> function dio_fdopen ] {

      - Parameters [1] {
        Parameter #0 [ <required> $fd ]
      }
    }
    Function [ <internal:dio> function dio_dup ] {

      - Parameters [1] {
        Parameter #0 [ <required> $fd ]
      }
    }
    Function [ <internal:dio> function dio_truncate ] {

      - Parameters [2] {
        Parameter #0 [ <required> $fd ]
        Parameter #1 [ <required> int $offset ]
      }
      - Return [ bool ]
    }
    Function [ <internal:dio> function dio_stat ] {

      - Parameters [1] {
        Parameter #0 [ <required> $fd ]
      }
      - Return [ array|false ]
    }
    Function [ <internal:dio> function dio_seek ] {

      - Parameters [3] {
        Parameter #0 [ <required> $fd ]
        Parameter #1 [ <required> int $pos ]
        Parameter #2 [ <optional> int $whence = SEEK_SET ]
      }
      - Return [ int ]
    }
    Function [ <internal:dio> function dio_fcntl ] {

      - Parameters [3] {
        Parameter #0 [ <required> $fd ]
        Parameter #1 [ <required> int $cmd ]
        Parameter #2 [ <optional> $arg = NULL ]
      }
    }
    Function [ <internal:dio> function dio_read ] {

      - Parameters [2] {
        Parameter #0 [ <required> $fd ]
        Parameter #1 [ <optional> int $n = 1024 ]
      }
      - Return [ ?string ]
    }
    Function [ <internal:dio> function dio_write ] {

      - Parameters [3] {
        Parameter #0 [ <required> $fd ]
        Parameter #1 [ <required> string $data ]
        Parameter #2 [ <optional> int $len = 0 ]
      }
      - Return [ int ]
    }
    Function [ <internal:dio> function dio_close ] {

      - Parameters [1] {
        Parameter #0 [ <required> $fd ]
      }
      - Return [ void ]
    }
    Function [ <internal:dio> function dio_tcsetattr ] {

      - Parameters [2] {
        Parameter #0 [ <required> $fd ]
        Parameter #1 [ <required> array $args ]
      }
      - Return [ bool ]
    }
    Function [ <internal:dio> function dio_raw ] {

      - Parameters [3] {
        Parameter #0 [ <required> string $filename ]
        Parameter #1 [ <required> string $mode ]
        Parameter #2 [ <optional> ?array $options = NULL ]
      }
    }
    Function [ <internal:dio> function dio_serial ] {

      - Parameters [3] {
        Parameter #0 [ <required> string $filename ]
        Parameter #1 [ <required> string $mode ]
        Parameter #2 [ <optional> ?array $options = NULL ]
      }
    }
  }
}