Added GPLv3 license

Joel Grunbaum

2020-10-21 dc4a93b34ab91ee67dde95fe8c251009db51c5c9

 dns.h

@@ -8,5 +8,5 @@
#define T_TXT 16           // Text record
#define T_AAAA 28          // IPv6 address

void resolve(unsigned char* buf, char* hostname, char* dns_ip, int query_type);
struct timespec resolve(unsigned char* buf, char* hostname, char* dns_ip, int query_type);
void print_packet(unsigned char* buf);