Typo fix
diff --git a/src/core/iomgr/tcp_server_posix.c b/src/core/iomgr/tcp_server_posix.c
index 9f8e1db..f1e5a6a 100644
--- a/src/core/iomgr/tcp_server_posix.c
+++ b/src/core/iomgr/tcp_server_posix.c
@@ -33,7 +33,7 @@
 
 #include <grpc/support/port_platform.h>
 
-#ifdef GRPC_POSIX_SOCKET
+#ifdef GPR_POSIX_SOCKET
 
 #define _GNU_SOURCE
 #include "src/core/iomgr/tcp_server.h"
@@ -269,7 +269,7 @@
   return port;
 }
 
-int grpc_tcp_server_add_port(grpc_tcp_server *s, const struct sockaddr *addr,
+int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr,
                              int addr_len) {
   int allocated_port1 = -1;
   int allocated_port2 = -1;