magic_warnm
magic_warnm(m, at, "invalid strength operator: %s", s);
magic_warnm(m, at, "invalid strength value: %s", s);
magic_warnm(m, at, "invalid MIME type: %s", mimetype);
magic_warnm(m, at, "stray MIME type: %s", mimetype);
magic_warnm(m, at, "%.*s not supported", i, line);
void magic_warnm(struct magic *, u_int, const char *, ...)