Typo fix
diff --git a/src/core/iomgr/tcp_server.h b/src/core/iomgr/tcp_server.h
index 7923963..c4d836e 100644
--- a/src/core/iomgr/tcp_server.h
+++ b/src/core/iomgr/tcp_server.h
@@ -60,7 +60,7 @@
    For raw access to the underlying sockets, see grpc_tcp_server_get_fd(). */
 /* TODO(ctiller): deprecate this, and make grpc_tcp_server_add_ports to handle
                   all of the multiple socket port matching logic in one place */
-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);
 
 /* Returns the file descriptor of the Nth listening socket on this server,
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;