.TH dns_txt_packet 3 .SH NAME dns_txt_packet \- extract TXT records from DNS answer packet .SH SYNTAX .B #include int \fBdns_txt_packet\fP(stralloc* \fIout\fR,const char* \fIbuf\fR, unsigned int \fIlen\fR); .SH DESCRIPTION dns_txt_packet is a low-level component of dns_txt, designed to support asynchronous DNS lookups. It reads a DNS packet of length \fIlen\fR from \fIbuf\fR, extracts the TXT records from the answer section of the packet, puts the result into \fIout\fR, and returns 0 or -1 the same way as dns_txt. .SH "SEE ALSO" dns_txt(3)