From fcef5f472bbdcce7a6ac989555fc5795e37c8030 Mon Sep 17 00:00:00 2001
From: giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>
Date: Fri, 6 May 2016 01:47:28 +0000
Subject: Add comments

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@2756 9d0c8265-081b-0410-96cb-a4ca84ce46f8
---
 lib/libsystem.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'lib/libsystem.c')

diff --git a/lib/libsystem.c b/lib/libsystem.c
index 77f874cb..80f51256 100644
--- a/lib/libsystem.c
+++ b/lib/libsystem.c
@@ -456,8 +456,11 @@ pm_system_lp(const char *    const progName,
              void *          const accepterParm,
              ...) {
 /*----------------------------------------------------------------------------
-  same as pm_system_vp() except with arguments as variable arguments
+  Same as pm_system_vp() except with arguments as variable arguments
   instead of an array.
+
+  N.B. the first variable argument is the program's arg 0; the last
+  variable argument must be NULL.
 -----------------------------------------------------------------------------*/
     va_list args;
     bool endOfArgs;
-- 
cgit 1.4.1