pjdlogv_common
pjdlogv_common(LOG_DEBUG, (debuglevel), -1, (fmt), (ap))
pjdlogv_common((loglevel), 0, (errno), (fmt), (ap))
pjdlogv_common((loglevel), 0, -1, (fmt), (ap))
pjdlogv_common(loglevel, debuglevel, error, fmt, ap);
pjdlogv_common(loglevel, 0, -1, fmt, ap);
pjdlogv_common(LOG_DEBUG, debuglevel, -1, fmt, ap);
pjdlogv_common(loglevel, 0, errno, fmt, ap);
void pjdlogv_common(int loglevel, int debuglevel, int error, const char *fmt,