remove useless "extern" keywords in headers

[musl] / include / resolv.h

diff --git a/include/resolv.h b/include/resolv.h
index 3b77fc7..5bb0832 100644 (file)
--- a/include/resolv.h
+++ b/include/resolv.h
@@ -122,7 +122,7 @@ struct res_sym {
 #define RES_PRF_REPLY  0x00002000
 #define RES_PRF_INIT   0x00004000
 
-extern struct __res_state *__res_state(void);
+struct __res_state *__res_state(void);
 #define _res (*__res_state())
 
 struct rrec;