Faraz Vahedi 8d29d24296 libc: Restore prior C23 include guards ...

To avoid any sort of POLA violation, this commit restores old
guards and defines the C23 feature test macros in addition to
them.  This is to close off whole class of possible breakage,
rather than patching it case by case.

Reported by:	dim
Reviewed by:	dim, dteske, fuz
Approved by:	dim, dteske (mentor), fuz (mentor)
MFC after:	1 month
Differential Revision: https://reviews.freebsd.org/D58911

2026-08-19 13:51:21 +03:30

..

auth_des.h

Revert "Remove Secure RPC DES authentication"

2025-08-15 17:59:18 +01:00

auth_kerb.h

…

auth_unix.h

…

auth.h

…

clnt_soc.h

…

clnt_stat.h

…

clnt.h

rpc: correct resultproc_t's type

2026-02-02 21:20:16 +00:00

des_crypt.h

…

des.h

…

Makefile

…

Makefile.depend

…

nettype.h

…

pmap_clnt.h

clnt_broadcast(3): fix eachresult argument type

2026-02-02 21:20:10 +00:00

pmap_prot.h

…

pmap_rmt.h

…

raw.h

…

rpc_com.h

…

rpc_msg.h

…

rpc.h

…

rpcb_clnt.h

…

rpcb_prot.x

…

rpcent.h

…

rpcsec_gss.h

…

svc_auth.h

…

svc_dg.h

…

svc_soc.h

…

svc.h

…

xdr.h

libc: Restore prior C23 include guards

2026-08-19 13:51:21 +03:30