sasl_log_t - The SASL logging callback
#include <sasl/sasl.h> int sasl_log_t(void *context, int level, const char * message);
sasl_log_t is used to log warning/error messages from the SASL library. If not specified syslog will be used.
SASL callback functions should return SASL return codes. See sasl.h for a complete list. SASL_OK indicates success.
RFC 2222
sasl(3), sasl_callbacks(3), sasl_errors(3)