Returns a nul-terminated C string of the text-formatted message including its metadata prefix and trailing newline.
Declared in <absl/log/log_entry.h>
char const*
text_message_with_prefix_and_newline_c_str() const;
The buffer does not outlive the entry; if you need the data later, you must copy it.
A pointer to the nul-terminated, prefixed message.