Function gnunet_sys::GNUNET_CRYPTO_hash_context_read

pub unsafe extern "C" fn GNUNET_CRYPTO_hash_context_read(
    hc: *mut GNUNET_HashContext, 
    buf: *const c_void, 
    size: usize
)

Add data to be hashed.

@param hc cumulative hash context @param buf data to add @param size number of bytes in @a buf