From: void-packages

--- a/lib/nicInfo/nicInfoPosix.c
+++ b/lib/nicInfo/nicInfoPosix.c
@@ -66,6 +66,35 @@
 #   include <net/if.h>
 #endif
 
+
+#if !defined(__GLIBC__)
+/***************************************************************************
+ * Mimick GLIBC's res_ninit() and res_nclose() for musl libc
+ * Note: res_init() is actually deprecated according to
+ * http://docs.oracle.com/cd/E36784_01/html/E36875/res-nclose-3resolv.html
+ **************************************************************************/
+#include <string.h>
+
+static inline int res_ninit(res_state statp)
+{
+	int rc = res_init();
+	if (statp != &_res) {
+		memcpy(statp, &_res, sizeof(*statp));
+	}
+	return rc;
+}
+
+static inline int res_nclose(res_state statp)
+{
+	if (!statp)
+		return -1;
+	if (statp != &_res) {
+		memset(statp, 0, sizeof(*statp));
+	}
+	return 0;
+}
+#endif
+
 /*
  * resolver(3) and IPv6:
  *