Method buf_head

source/src/httplib/httplib.h:8154–8154

  const char *buf_data() const { return &buf_[buf_spos_]; }

  std::string buf_head(size_t l) const { return buf_.substr(buf_spos_, l); }

  bool buf_start_with(const std::string &s) const {
    return start_with(buf_, buf_spos_, buf_epos_, s);