Function gnunet_sys::GNUNET_DISK_file_write

pub unsafe extern "C" fn GNUNET_DISK_file_write(
    h: *const GNUNET_DISK_FileHandle, 
    buffer: *const c_void, 
    n: usize
) -> isize

Write a buffer to a file.

@param h handle to open file @param buffer the data to write @param n number of bytes to write @return number of bytes written on success, #GNUNET_SYSERR on error