It's alive

1 files changed, 34 insertions, 0 deletions

diff --git a/dns.h b/dns.h
new file mode 100644
index 0000000..788618d
--- /dev/null
+++ b/dns.h
@@ -0,0 +1,34 @@
+#ifndef DNS_INCLUDED
+#define DNS_INCLUDED
+
+
+enum {  /* Some of DNS types: */
+    dns_type_a = 1,
+    dns_type_cname = 5,
+    dns_type_mx = 15,
+    dns_type_txt = 16
+};
+
+struct dns_answers {
+    struct dns_answers *next;
+    char               *host;
+    int                 type;
+    unsigned int        size;
+    void               *data;
+};
+
+/* For CNAME & TXT data is just 'char *',
+ * For A data is 'unsigned char *' of size 4. */
+
+int   dns_mx_preference(void *data);
+char *dns_mx_server(void *data);
+
+
+/* In case of error result is 0.
+ * It's not the-best-effort attempt to get answer, just simple working one. */
+struct dns_answers *dns_get(const char *server, const char *host, int query);
+
+void dns_free(struct dns_answers *answers);
+
+
+#endif