Problem: s_bytes_str is not elegant
Problem: s_bytes_str is not elegant

Solution:
 * allocate exact amount of memory
 * use proper printf format instead of conditionals

bkmit/zproto,vyskocilm/zproto,vyskocilm/zproto,vyskocilm/zproto,somdoron/zproto,jdiez17/zproto,bkmit/zproto,jdiez17/zproto,jdiez17/zproto,bkmit/zproto,jdiez17/zproto,somdoron/zproto,zeromq/zproto,zeromq/zproto,sappo/zproto,bkmit/zproto,sappo/zproto,zeromq/zproto,vyskocilm/zproto,somdoron/zproto,somdoron/zproto,zeromq/zproto,vyskocilm/zproto,zeromq/zproto,bkmit/zproto,somdoron/zproto,jdiez17/zproto,sappo/zproto,bkmit/zproto,bkmit/zproto,sappo/zproto,vyskocilm/zproto,sappo/zproto,jdiez17/zproto,zeromq/zproto,zeromq/zproto,vyskocilm/zproto,jdiez17/zproto,sappo/zproto,somdoron/zproto,sappo/zproto,somdoron/zproto