Don't bogotify the synopsis by attempting to describe err_set_file() there.
Fixed some disorder.
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@ -30,9 +30,9 @@
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.\" SUCH DAMAGE.
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.\"
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.\" From: @(#)err.3 8.1 (Berkeley) 6/9/93
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.\" $Id: err.3,v 1.8 1998/04/22 19:59:55 rnordier Exp $
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.\" $Id: err.3,v 1.9 1998/09/12 21:02:22 wollman Exp $
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.\"
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.Dd April 13, 1995
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.Dd Mar 6, 1999
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.Dt ERR 3
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.Os BSD 4
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.Sh NAME
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@ -48,14 +48,18 @@
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.Nm vwarnc ,
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.Nm warnx ,
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.Nm vwarnx ,
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.Nm err_set_file ,
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.Nm err_set_exit
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.Nm err_set_exit ,
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.Nm err_set_file
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.Nd formatted error messages
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.Sh SYNOPSIS
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.Fd #include <err.h>
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.Ft void
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.Fn err "int eval" "const char *fmt" "..."
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.Ft void
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.Fn err_set_exit "void (*exitf)(int)"
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.Ft void
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.Fn err_set_file "void *vfp"
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.Ft void
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.Fn errc "int eval" "int code" "const char *fmt" "..."
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.Ft void
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.Fn errx "int eval" "const char *fmt" "..."
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@ -65,11 +69,6 @@
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.Fn warnc "int code" "const char *fmt" "..."
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.Ft void
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.Fn warnx "const char *fmt" "..."
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.Fd #include <stdio.h>
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.Ft void
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.Fn err_set_file "FILE *fp"
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.Ft void
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.Fn err_set_exit "void (*exitf)(int)"
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.Fd #include <stdarg.h>
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.Ft void
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.Fn verr "int eval" "const char *fmt" "va_list args"
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@ -141,6 +140,15 @@ function can be used to specify a function which is called before
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to perform any necessary cleanup; passing a null function pointer for
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.Va exitf
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resets the hook to do nothing.
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The
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.Fn err_set_file
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function sets the output stream used by the other functions.
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Its
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.Va vfp
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argument must be either a pointer to an open stream
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(possibly already converted to void *)
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or a null pointer
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(in which case the output stream is set to standard error).
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.Sh EXAMPLES
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Display the current errno information string and exit:
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.Bd -literal -offset indent
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@ -183,9 +191,9 @@ and
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functions first appeared in
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.Bx 4.4 .
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The
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.Fn err_set_file
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and
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.Fn err_set_exit
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and
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.Fn err_set_file
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functions first appeared in
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.Fx 2.1 .
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The
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