PR 51002 David Binderman: fix wrong printing code not enabled by default.

Use C89 definitions.
Remove use of __P

Remove 3rd and 4th clauses in christos' license. OK christos.

whitespace fix

Add "local" versions of getnetgrent() et al. and now call those for the NIS
versions. Fix conditional compilation issues with YP and NSS_FILES.

nsdispatch()-ify getnetgrent() and friends.

Approved by: christos

fix incomplete initializers

Remove leftover debugging message. Problem pointed out by Kurt Schreiner
on "current-users" mailing list.

back out last change as it is actually a visible function.

define _ng_cycle to be static, so gcc won't whing about its implicit decl.

move include of StringList.h before netgroup.h

add an _ng_cycle function to print the list of netgroups that are are dups.

Coverity 2278: Avoid leak on allocation failure.

PR/30832: Tomas Skäre: Freed memory used in lib/libc/getnetgrent.c
While there, KNF and ansify.

__STDC__ is always defined on NetBSD.

Delint.

Delint.
Remove trailing ; from uses of __weak_alias(). The macro inserts this if
needed.

* check the result of sl_init() and sl_add()
* return an error state back up the call chain and take appropriate
action, rather than calling err() to terminate the process

back out the #ifdef _DIAGNOSTIC argument checks; too many people complained.
_DIAGASSERT() is still retained.

* use _DIAGASSERT() to check pointer arguments against NULL and file
descriptors against -1 (as appropriate).
* add actual checks which to detect stuff that would trigger_DIAGASSERT(),
and attemp

* use _DIAGASSERT() to check pointer arguments against NULL and file
descriptors against -1 (as appropriate).
* add actual checks which to detect stuff that would trigger_DIAGASSERT(),
and attempt to return a sane error condition.
* knf some code
* remove some `register' decls.

the first two items result in the addition of code similar to the
following in various functions:

_DIAGASSERT(path != NULL)
#ifdef _DIAGNOSTIC
if (path == NULL) {
errno = EFAULT;
return (-1);
}
#endif

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specifically include stdarg/varargs.h

pre nsswitch default was more like "files [notfound=return] nis"

Fix two problems with the recent nsswitch changes to netgroups:
- The historic mode for netgroups was "files nis". Change the default to
this for when /etc/nsswitch.conf does not exist.
- The nis

Fix two problems with the recent nsswitch changes to netgroups:
- The historic mode for netgroups was "files nis". Change the default to
this for when /etc/nsswitch.conf does not exist.
- The nis lookup dispatch was mistakenly conditional on -DHESIOD, not -DYP.

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* `passwd' defaults to `compat', and `passwd_compat' defaults to `nis'
* constify ns_dtab defs

convert to new nsdispatch(3)