typedef void adns_logcallbackfn(adns_state ads, void *logfndata,
const char *fmt, va_list al);
- /* will be called perhaps several times for each message; when the
+ /* Will be called perhaps several times for each message; when the
* message is complete, the string implied by fmt and al will end in
- * a newline. */
+ * a newline. Log messages start with `adns debug:' or `adns
+ * warning:' or `adns:' (for errors), or `adns debug [PID]:'
+ * etc. if adns_if_logpid is set. */
int adns_init_logfn(adns_state *newstate_r, adns_initflags flags,
const char *configtext /*0=>use default config files*/,