D14139.id41327.diff
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D14139.id41327.diff
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	Index: head/usr.bin/head/head.1
	===================================================================
	--- head/usr.bin/head/head.1
	+++ head/usr.bin/head/head.1
	@@ -28,7 +28,7 @@
	.\" @(#)head.1 8.1 (Berkeley) 6/6/93
	.\" $FreeBSD$
	.\"
	-.Dd March 16, 2013
	+.Dd April 10, 2018
	.Dt HEAD 1
	.Os
	.Sh NAME
	@@ -48,6 +48,18 @@
	If
	.Ar count
	is omitted it defaults to 10.
	+.Pp
	+The following options are available:
	+.Bl -tag -width indent
	+.It Fl c Ar bytes , Fl -bytes Ns = Ns Ar bytes
	+Print
	+.Ar bytes
	+of each of the specified files.
	+.It Fl n Ar count , Fl -lines Ns = Ns Ar count
	+Print
	+.Ar count
	+lines of each of the specified files.
	+.El
	.Pp
	If more than a single file is specified, each file is preceded by a
	header consisting of the string
	Index: head/usr.bin/head/head.c
	===================================================================
	--- head/usr.bin/head/head.c
	+++ head/usr.bin/head/head.c
	@@ -47,6 +47,7 @@

	#include <ctype.h>
	#include <err.h>
	+#include <getopt.h>
	#include <inttypes.h>
	#include <stdio.h>
	#include <stdlib.h>
	@@ -64,6 +65,13 @@
	static void obsolete(char *[]);
	static void usage(void);

	+static const struct option long_opts[] =
	+{
	+ {"bytes", required_argument, NULL, 'c'},
	+ {"lines", required_argument, NULL, 'n'},
	+ {NULL, no_argument, NULL, 0}
	+};
	+
	int
	main(int argc, char *argv[])
	{
	@@ -74,7 +82,7 @@
	char *ep;

	obsolete(argv);
	- while ((ch = getopt(argc, argv, "n:c:")) != -1)
	+ while ((ch = getopt_long(argc, argv, "+n:c:", long_opts, NULL)) != -1)
	switch(ch) {
	case 'c':
	bytecnt = strtoimax(optarg, &ep, 10);