add useless type fd_mask. it's in the reserved namespace.

diff --git a/include/sys/select.h b/include/sys/select.h
index 54d8030..7cb0af4 100644 (file)
--- a/include/sys/select.h
+++ b/include/sys/select.h
@@ -15,6 +15,8 @@ extern "C" {
 
 #define FD_SETSIZE 1024
 
+typedef unsigned long fd_mask;
+
 typedef struct
 {
        unsigned long fds_bits[FD_SETSIZE / 8 / sizeof(long)];