X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/20fe3a947f2305fb271a811d50f8a7d263511ee7..e0233d70fb7bfac996b3514ae60d7eedef0e6ad3:/docs/README.developers?ds=inline

diff --git a/docs/README.developers b/docs/README.developers
index b2c2efa0..9314563c 100644
--- a/docs/README.developers
+++ b/docs/README.developers
@@ -130,6 +130,21 @@ zotnet/tws/
     "time".  Date and time manipulation routines go here.
 
 
+-------------------------------------------------------
+nmh-local functions to use in preference to OS versions
+-------------------------------------------------------
+
+For some system functions whose availability or behavior varies from OS to OS,
+nmh conditionally uses a local definition with the same name as the OS function
+(e.g. snprintf()).  For other functions, developers need to avoid the OS
+versions and always use the nmh-supplied function.  Here is a list of such
+functions: 
+
+OS function  nmh-local version to use instead
+===========  ================================
+getpass()    nmh_getpass()
+
+
 -------------
 releasing nmh
 -------------