optimize internal putc_unlocked macro used in putc

[musl] / include / netinet / udp.h

diff --git a/include/netinet/udp.h b/include/netinet/udp.h
index 15b9145..030e8fb 100644 (file)
--- a/include/netinet/udp.h
+++ b/include/netinet/udp.h
@@ -5,19 +5,22 @@
 extern "C" {
 #endif
 
+#include <features.h>
 #include <stdint.h>
 
-struct udphdr {
-       uint16_t source;
-       uint16_t dest;
-       uint16_t len;
-       uint16_t check;
-};
-
+#ifdef _GNU_SOURCE
 #define uh_sport source
 #define uh_dport dest
 #define uh_ulen len
 #define uh_sum check
+#endif
+
+struct udphdr {
+       uint16_t uh_sport;
+       uint16_t uh_dport;
+       uint16_t uh_ulen;
+       uint16_t uh_sum;
+};
 
 #define UDP_CORK       1
 #define UDP_ENCAP      100
@@ -25,6 +28,8 @@ struct udphdr {
 #define UDP_ENCAP_ESPINUDP_NON_IKE 1
 #define UDP_ENCAP_ESPINUDP     2
 #define UDP_ENCAP_L2TPINUDP    3
+#define UDP_ENCAP_GTP0         4
+#define UDP_ENCAP_GTP1U                5
 
 #define SOL_UDP            17