.TH dns_mx_packet 3
.SH NAME
dns_mx_packet \- extract MX records from DNS answer packet
.SH SYNTAX
.B #include <libowfat/dns.h>

int \fBdns_mx_packet\fP(stralloc* \fIout\fR,const char* \fIbuf\fR,
                  unsigned int \fIlen\fR);
.SH DESCRIPTION
dns_mx_packet is a low-level component of dns_mx, designed to support
asynchronous DNS lookups. It reads a DNS packet of length \fIlen\fR from \fIbuf\fR,
extracts the MX records from the answer section of the packet, puts the
result into \fIout\fR, and returns 0 or -1 the same way as dns_mx.
.SH "SEE ALSO"
dns_mx(3), dns_ip4(3), dns_ip6(3)