3 files changed, 12 insertions, 6 deletions
diff --git a/ext/socket/ipsocket.c b/ext/socket/ipsocket.c
index f214d852ae..a2cb6e0e12 100644
--- a/ext/socket/ipsocket.c
+++ b/ext/socket/ipsocket.c
@@ -22,8 +22,9 @@ struct inetsock_arg
 };
 
 static VALUE
-inetsock_cleanup(struct inetsock_arg *arg)
+inetsock_cleanup(VALUE v)
 {
+    struct inetsock_arg *arg = (void *)v;
     if (arg->remote.res) {
 	rb_freeaddrinfo(arg->remote.res);
 	arg->remote.res = 0;
@@ -39,8 +40,9 @@ inetsock_cleanup(struct inetsock_arg *arg)
 }
 
 static VALUE
-init_inetsock_internal(struct inetsock_arg *arg)
+init_inetsock_internal(VALUE v)
 {
+    struct inetsock_arg *arg = (void *)v;
     int error = 0;
     int type = arg->type;
     struct addrinfo *res, *lres;
diff --git a/ext/socket/raddrinfo.c b/ext/socket/raddrinfo.c
index b59cc49005..dad11ad1ac 100644
--- a/ext/socket/raddrinfo.c
+++ b/ext/socket/raddrinfo.c
@@ -654,8 +654,9 @@ struct hostent_arg {
 };
 
 static VALUE
-make_hostent_internal(struct hostent_arg *arg)
+make_hostent_internal(VALUE v)
 {
+    struct hostent_arg *arg = (void *)v;
     VALUE host = arg->host;
     struct addrinfo* addr = arg->addr->ai;
     VALUE (*ipaddr)(struct sockaddr*, socklen_t) = arg->ipaddr;
diff --git a/ext/socket/udpsocket.c b/ext/socket/udpsocket.c
index c2e273c2a3..6ef8242a1e 100644
--- a/ext/socket/udpsocket.c
+++ b/ext/socket/udpsocket.c
@@ -50,8 +50,9 @@ struct udp_arg
 };
 
 static VALUE
-udp_connect_internal(struct udp_arg *arg)
+udp_connect_internal(VALUE v)
 {
+    struct udp_arg *arg = (void *)v;
     rb_io_t *fptr;
     int fd;
     struct addrinfo *res;
@@ -97,8 +98,9 @@ udp_connect(VALUE sock, VALUE host, VALUE port)
 }
 
 static VALUE
-udp_bind_internal(struct udp_arg *arg)
+udp_bind_internal(VALUE v)
 {
+    struct udp_arg *arg = (void *)v;
     rb_io_t *fptr;
     int fd;
     struct addrinfo *res;
@@ -147,8 +149,9 @@ struct udp_send_arg {
 };
 
 static VALUE
-udp_send_internal(struct udp_send_arg *arg)
+udp_send_internal(VALUE v)
 {
+    struct udp_send_arg *arg = (void *)v;
     rb_io_t *fptr;
     int n;
     struct addrinfo *res;