Remove comment on errno=0 lines, but add mention to port/strtol.c function.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/port/strtol.c b/src/port/strtol.c
index a103b446e62..866dad03e72 100644
--- a/src/port/strtol.c
+++ b/src/port/strtol.c
@@ -45,6 +45,15 @@ static char sccsid[] = "@(#)strtol.c	5.4 (Berkeley) 2/23/91";
 #define const
 
 /*
+ *	Usage Tip:
+ *
+ *	strtol() doesn't give a unique return value to indicate that errno
+ *	should be consulted, so in most cases it is best to set errno = 0
+ *	before calling this function, and then errno != 0 can be tested
+ *	after the function completes.
+ */
+ 
+/*
  * Convert a string to a long integer.
  *
  * Ignores `locale' stuff.  Assumes that the upper and lower case