add isastream (obsolete STREAMS junk)

apparently some packages see stropts.h and want to be able to use
this. the implementation checks that the file descriptor is valid by
using fcntl/F_GETFD so it can report an error if not (as specified).

1 files changed, 2 insertions, 1 deletions

diff --git a/include/stropts.h b/include/stropts.h
index 36d84bbb..c99c922e 100644
--- a/include/stropts.h
+++ b/include/stropts.h
@@ -129,7 +129,8 @@ struct str_list {
 	struct str_mlist *sl_modlist;
 };
 
-int ioctl (int, int, ...);
+int isastream(int);
+int ioctl(int, int, ...);
 
 #ifdef __cplusplus
 }