D27626.diff
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	diff --git a/lib/libc/sys/fork.2 b/lib/libc/sys/fork.2
	--- a/lib/libc/sys/fork.2
	+++ b/lib/libc/sys/fork.2
	@@ -28,7 +28,7 @@
	.\" @(#)fork.2 8.1 (Berkeley) 6/4/93
	.\" $FreeBSD$
	.\"
	-.Dd December 1, 2017
	+.Dd April 17, 2021
	.Dt FORK 2
	.Os
	.Sh NAME
	@@ -99,6 +99,42 @@
	variable
	.Va errno
	is set to indicate the error.
	+.Sh EXAMPLES
	+The following example shows a common pattern of how
	+.Fn fork
	+is used in practice.
	+.Bd -literal -offset indent
	+#include <err.h>
	+#include <stdio.h>
	+#include <stdlib.h>
	+#include <unistd.h>
	+
	+int
	+main(void)
	+{
	+ pid_t pid;
	+
	+ switch (pid = fork()) {
	+ case -1:
	+ err(1, "Failed to fork");
	+ case 0:
	+ printf("Hello from child process!\en");
	+ exit(0);
	+ default:
	+ break;
	+ }
	+
	+ printf("Hello from parent process (child's PID: %d)!\en", pid);
	+
	+ return (0);
	+}
	+.Ed
	+.Pp
	+The output of such a program is along the lines of:
	+.Bd -literal -offset indent
	+Hello from parent (child's PID: 27804)!
	+Hello from child process!
	+.Ed
	.Sh ERRORS
	The
	.Fn fork