Many of our networking daemons use proc.c to set up processes and ipc. I couldn't find two that are actually exactly the same, but it looks like none of them are ever using proc_ispeer, so here is a diff to delete it from all of them.
Index: sbin/iked/proc.c =================================================================== RCS file: /cvs/src/sbin/iked/proc.c,v retrieving revision 1.35 diff -u -p -r1.35 proc.c --- sbin/iked/proc.c 20 Apr 2021 21:11:56 -0000 1.35 +++ sbin/iked/proc.c 15 Feb 2023 10:56:52 -0000 @@ -39,23 +39,10 @@ enum privsep_procid privsep_process; void proc_open(struct privsep *, struct privsep_proc *, struct privsep_proc *, size_t); void proc_close(struct privsep *); -int proc_ispeer(struct privsep_proc *, unsigned int, enum privsep_procid); void proc_shutdown(struct privsep_proc *); void proc_sig_handler(int, short, void *); void proc_range(struct privsep *, enum privsep_procid, int *, int *); int proc_dispatch_null(int, struct privsep_proc *, struct imsg *); - -int -proc_ispeer(struct privsep_proc *procs, unsigned int nproc, - enum privsep_procid type) -{ - unsigned int i; - - for (i = 0; i < nproc; i++) - if (procs[i].p_id == type) - return (1); - return (0); -} void proc_init(struct privsep *ps, struct privsep_proc *procs, unsigned int nproc) Index: usr.sbin/httpd/proc.c =================================================================== RCS file: /cvs/src/usr.sbin/httpd/proc.c,v retrieving revision 1.41 diff -u -p -r1.41 proc.c --- usr.sbin/httpd/proc.c 4 Dec 2021 06:52:58 -0000 1.41 +++ usr.sbin/httpd/proc.c 15 Feb 2023 10:56:52 -0000 @@ -43,23 +43,10 @@ void proc_open(struct privsep *, int, i void proc_accept(struct privsep *, int, enum privsep_procid, unsigned int); void proc_close(struct privsep *); -int proc_ispeer(struct privsep_proc *, unsigned int, enum privsep_procid); void proc_shutdown(struct privsep_proc *); void proc_sig_handler(int, short, void *); void proc_range(struct privsep *, enum privsep_procid, int *, int *); int proc_dispatch_null(int, struct privsep_proc *, struct imsg *); - -int -proc_ispeer(struct privsep_proc *procs, unsigned int nproc, - enum privsep_procid type) -{ - unsigned int i; - - for (i = 0; i < nproc; i++) - if (procs[i].p_id == type) - return (1); - return (0); -} enum privsep_procid proc_getid(struct privsep_proc *procs, unsigned int nproc, Index: usr.sbin/relayd/proc.c =================================================================== RCS file: /cvs/src/usr.sbin/relayd/proc.c,v retrieving revision 1.43 diff -u -p -r1.43 proc.c --- usr.sbin/relayd/proc.c 3 Sep 2022 20:07:31 -0000 1.43 +++ usr.sbin/relayd/proc.c 15 Feb 2023 10:56:52 -0000 @@ -43,23 +43,10 @@ void proc_open(struct privsep *, int, i void proc_accept(struct privsep *, int, enum privsep_procid, unsigned int); void proc_close(struct privsep *); -int proc_ispeer(struct privsep_proc *, unsigned int, enum privsep_procid); void proc_shutdown(struct privsep_proc *); void proc_sig_handler(int, short, void *); void proc_range(struct privsep *, enum privsep_procid, int *, int *); int proc_dispatch_null(int, struct privsep_proc *, struct imsg *); - -int -proc_ispeer(struct privsep_proc *procs, unsigned int nproc, - enum privsep_procid type) -{ - unsigned int i; - - for (i = 0; i < nproc; i++) - if (procs[i].p_id == type) - return (1); - return (0); -} enum privsep_procid proc_getid(struct privsep_proc *procs, unsigned int nproc, Index: usr.sbin/snmpd/proc.c =================================================================== RCS file: /cvs/src/usr.sbin/snmpd/proc.c,v retrieving revision 1.27 diff -u -p -r1.27 proc.c --- usr.sbin/snmpd/proc.c 30 Jun 2020 17:11:49 -0000 1.27 +++ usr.sbin/snmpd/proc.c 15 Feb 2023 10:56:52 -0000 @@ -43,23 +43,10 @@ void proc_open(struct privsep *, int, i void proc_accept(struct privsep *, int, enum privsep_procid, unsigned int); void proc_close(struct privsep *); -int proc_ispeer(struct privsep_proc *, unsigned int, enum privsep_procid); void proc_shutdown(struct privsep_proc *); void proc_sig_handler(int, short, void *); void proc_range(struct privsep *, enum privsep_procid, int *, int *); int proc_dispatch_null(int, struct privsep_proc *, struct imsg *); - -int -proc_ispeer(struct privsep_proc *procs, unsigned int nproc, - enum privsep_procid type) -{ - unsigned int i; - - for (i = 0; i < nproc; i++) - if (procs[i].p_id == type) - return (1); - return (0); -} enum privsep_procid proc_getid(struct privsep_proc *procs, unsigned int nproc, Index: usr.sbin/vmd/proc.c =================================================================== RCS file: /cvs/src/usr.sbin/vmd/proc.c,v retrieving revision 1.19 diff -u -p -r1.19 proc.c --- usr.sbin/vmd/proc.c 20 Apr 2021 21:11:56 -0000 1.19 +++ usr.sbin/vmd/proc.c 15 Feb 2023 10:56:52 -0000 @@ -43,23 +43,10 @@ void proc_open(struct privsep *, int, i void proc_accept(struct privsep *, int, enum privsep_procid, unsigned int); void proc_close(struct privsep *); -int proc_ispeer(struct privsep_proc *, unsigned int, enum privsep_procid); void proc_shutdown(struct privsep_proc *); void proc_sig_handler(int, short, void *); void proc_range(struct privsep *, enum privsep_procid, int *, int *); int proc_dispatch_null(int, struct privsep_proc *, struct imsg *); - -int -proc_ispeer(struct privsep_proc *procs, unsigned int nproc, - enum privsep_procid type) -{ - unsigned int i; - - for (i = 0; i < nproc; i++) - if (procs[i].p_id == type) - return (1); - return (0); -} enum privsep_procid proc_getid(struct privsep_proc *procs, unsigned int nproc,