Gio.FileOutputStream.truncate_fn
Description: Reference for Gio.FileOutputStream.truncate_fn

### Virtual Method

# Gio FileOutputStreamtruncate_fn

#### Declaration

    gboolean
    truncate_fn (
      GFileOutputStream* stream,
      goffset size,
      GCancellable* cancellable,
      GError** error
    )

#### Description

No description available.

#### Parameters

`size`

  Type: `goffset`

  No description available.

`cancellable`

  Type: `GCancellable`

  No description available.

  The argument can be `NULL`.
  The data is owned by the caller of the function.

`error`

  Type: `GError **`

  The return location for a recoverable error.

  The argument can be `NULL`.
  If the return location is not `NULL`, then you must initialize it to a `NULL` `GError*`.
  The argument will be left initialized to `NULL` by the virtual function if there are no errors.
  In case of error, the argument will be set to a newly allocated `GError`; the caller will take ownership of the data, and be responsible for freeing it.

#### Return value

Type: `gboolean`

No description available.