Add comment to top of reentr.c and fix typos in other files

p4raw-id: //depot/perl@23180

1 files changed, 7 insertions, 1 deletions

diff --git a/reentr.c b/reentr.c
index 493a3b5c62..c2972e0e07 100644
--- a/reentr.c
+++ b/reentr.c
@@ -7,11 +7,17 @@
  *    License or the Artistic License, as specified in the README file.
  *
  *  !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
- *  This file is built by reentrl.pl from data in reentr.pl.
+ *  This file is built by reentr.pl from data in reentr.pl.
  *
  * "Saruman," I said, standing away from him, "only one hand at a time can
  *  wield the One, and you know that well, so do not trouble to say we!"
  *
+ * This file contains a collection of automatically created wrappers
+ * (created by running reentr.pl) for reentrant (thread-safe) versions of
+ * various library calls, such as getpwent_r.  The wrapping is done so
+ * that other files like pp_sys.c calling those library functions need not
+ * care about the differences between various platforms' idiosyncrasies
+ * regarding these reentrant interfaces.  
  */
 
 #include "EXTERN.h"