Instance Method インスタンスメソッド

seekToOffset:error:

Moves the file pointer to the specified offset within the file.

Declaration 宣言 

- (BOOL)seekToOffset:(unsigned long long)offset 
               error:(out NSError * _Nullable *)error;

Parameters パラメータ

offset

The offset to seek to. このオフセットへとシークすることになります。

Discussion 議論

Returns NO if called on a file handle representing a pipe or socket, if the file descriptor is closed, or if any other error occurs while seeking.

See Also 参照

Seeking Within a File ファイルの内部をシークする

- getOffset:error:
Get the current position of the file pointer within the file.
- seekToEndReturningOffset:error:
Places the file pointer at the end of the file referenced by the file handle and returns the new file offset.