Add lots of new code comments.

darcs-hash:20080113164747-75c98-9d0cefd27be7aef7ba60772616d9da7e6bb52912.gz

1 files changed, 3 insertions, 0 deletions

diff --git a/io.h b/io.h
index c670afe0..c2e2d530 100644
--- a/io.h
+++ b/io.h
@@ -44,6 +44,9 @@ typedef struct io_data
 	} param2
 	;
 
+	/**
+	  Set to true if this is an input io redirection
+	 */
 	int is_input;
 	
 	/** Pointer to the next IO redirection */