read the packets into packet structs

include/dns_packet_buffer.h

@@ -1,13 +1,16 @@
 #pragma once
 #include <stddef.h>
 
-#define PACKET_BUFFER_SIZE 512
+#define PB_SIZE 512
+#define PB_OUT_OF_BOUNDS 9999;
 
 struct DNSPacketBuffer {
-    char buf[PACKET_BUFFER_SIZE];
+    char buf[PB_SIZE];
     size_t pos;
 };
 
 struct DNSPacketBuffer *new_dns_packet_buffer();
 
 struct DNSPacketHeader *dns_header(struct DNSPacketBuffer);
+
+char pb_read_byte(struct DNSPacketBuffer *);

include/dns_request.h

@@ -1,7 +1,10 @@
 #pragma once
 
 #include "dns_packets.h"
+#include "dns_packet_buffer.h"
 
 struct DNSRequest {
-    struct DNSPacketHeader header;
+    struct DNSPacketHeader *header;
 };
+
+struct DNSRequest *new_dns_request(struct DNSPacketBuffer *pb);

include/udp_server.h

@@ -1,5 +1,5 @@
 #pragma once
 
-#define UDP_PORT 53
+#define UDP_PORT 1053
 
 int start_server();