fix nested extern warnings

Fix definitions to match headers

don't lose the RPC error from CLNT_CALL.

Replace previous Sun Microsystems, Inc. license with a standard
BSD 3-clause license granted by Oracle America, Inc..
This license change was approved by Wim Coekaerts, Senior Vice President,
Linux and Virtualization at Oracle Corporation.

This fixes PR lib/45293 by Pedro Giffuni.

make this usable from RUMP

branches: 1.27.2;
Use C89 definitions
Remove use of __P

PR/45989: Martin Husemann: lint invocation does include -w only on i386

- turn lint -w for all the platforms after fixing the lint warnings.
- add _DIAGASSERTS() for casts that would assign values to types that
would not fit.
- change types, add casts
- change into ansii prototypes
- turn on _DIAGNOSTIC for libc (during current, to be eliminated for release
builds)

approved by core@

branches: 1.25.6; 1.25.8;
remove some stray __weak_aliases, where the target functions were
__RENAMEd due to the time_t/dev_t type changes, which caused bogus
references to compat functions
now a libc built with BUILDCOLD is usable

branches: 1.24.6;
fix gcc warnings from Alexander Shishkin

branches: 1.23.2;
make this compile again. (hi, xtos!)

- always check malloc results
- don't leak fds on error
- don't cast malloc
- don't cast NULL

branches: 1.21.18;
Coverity CID 710: Remove unreachable code.

Coverity CID 2284: Fix multiple memory leaks.

- constify and remove __UNCONST from caller of clnt_call().
- use __UNCONST where approproate.

WARNS=4

Initialize a variable to appease -Wuninitialized.
Marked with XXXGCC for dreamcast (found while compiling for it).

Reviewed by lukem.

appease gcc -Wuninitialized

Don't compare NULL against a character.

__RCSID police

Merge the nathanw_sa branch.

* Adapt include files for rpc_com.h/rpc_internal.h split.
* Add rpc_control to svc.c
* Implement non-blocking connections.

add missing __rpc_fixup_addr.
it's needed to make mount_nfs -T work for scoped addresses.

branches: 1.10.2;
Close socket correctly in three places.
Fixes various problems such as inetd not reloading correctly.
Fix provided by Michael van Elst in [lib/14454] - thanks!
Should also fix [bin/12651] and [bin/13657]

Fix !INET6 build. Noted by Bruno Clermont on tech-userlevel@

branches: 1.8.2;
sprinkle _DIAGASSERT() appropriately. minor other cleanups

remove redundant declarations.

correct delint mistake (missing "&").
may fix recent rpc/nfs-related PRs, including 10579 and 10601.

Use rpcvers_t, not long, for some variables holding version numbers. They
were sometimes passed by reference, creating problems on 64bit be systems.

add __RPC_GETXID macro
don't const castway __rpc_getconf and __rpc_getconfig. It might try to
write const strings
fix non-portable casts
remove duplicated prototypes
cast things to proper types
remove extraneous casts to NULL
fix variable cast mismatches
remove register var declarations

branches: 1.3.2; 1.3.4;
syslog an error if /etc/netconfig is not found. fixes lib/10275

Set the error code sanely in a few cases.

When connecting to a version 2 portmapper, don't use the "udp" nettype,
since that includes udp on ipv6, but just use the "udp" netconfig entry
directly.

Add new RPC code, based on Sun's TI-RPC code. Adapted to not use XTI,
but sockets instead, internally. Old, backward compatible interfaces
maintained.