Function gnunet_sys::GNUNET_BIO_read

pub unsafe extern "C" fn GNUNET_BIO_read(
    h: *mut GNUNET_BIO_ReadHandle, 
    what: *const c_char, 
    result: *mut c_void, 
    len: usize
) -> c_int

Read some contents into a buffer.

@param h the IO handle to read from @param what describes what is being read (for error message creation) @param result the buffer to write the result to @param len the number of bytes to read @return #GNUNET_OK on success, #GNUNET_SYSERR on failure