[PATCH 06/10] slist.3: Copy and adapt code from queue.3

[Alejandro Colomar <colomar.6.4.3@xxxxxxxxx>]

A few fixes to note:

- Sorted alphabetically some macros 
- ffix: remove alignment spaces in example (as in list.3)

Signed-off-by: Alejandro Colomar <colomar.6.4.3@xxxxxxxxx>
---
 man3/slist.3 | 30 +++++++++++++++++++++++-------
 1 file changed, 23 insertions(+), 7 deletions(-)

diff --git a/man3/slist.3 b/man3/slist.3
index 291c8753b..0dab80cee 100644
--- a/man3/slist.3
+++ b/man3/slist.3
@@ -36,38 +36,52 @@
 .Nm SLIST_FIRST ,
 .Nm SLIST_FOREACH ,
 .\" .Nm SLIST_FOREACH_FROM ,
-.\" .Nm SLIST_FOREACH_SAFE ,
 .\" .Nm SLIST_FOREACH_FROM_SAFE ,
+.\" .Nm SLIST_FOREACH_SAFE ,
 .Nm SLIST_HEAD ,
 .Nm SLIST_HEAD_INITIALIZER ,
 .Nm SLIST_INIT ,
 .Nm SLIST_INSERT_AFTER ,
 .Nm SLIST_INSERT_HEAD ,
 .Nm SLIST_NEXT ,
+.Nm SLIST_REMOVE ,
 .\" .Nm SLIST_REMOVE_AFTER ,
 .Nm SLIST_REMOVE_HEAD ,
-.Nm SLIST_REMOVE ,
 .\" .Nm SLIST_SWAP ,
 .SH SYNOPSIS
+.In sys/queue.h
+.\"
 .Fn SLIST_EMPTY "SLIST_HEAD *head"
 .Fn SLIST_ENTRY "TYPE"
 .Fn SLIST_FIRST "SLIST_HEAD *head"
 .Fn SLIST_FOREACH "TYPE *var" "SLIST_HEAD *head" "SLIST_ENTRY NAME"
 .\" .Fn SLIST_FOREACH_FROM "TYPE *var" "SLIST_HEAD *head" "SLIST_ENTRY NAME"
-.\" .Fn SLIST_FOREACH_SAFE "TYPE *var" "SLIST_HEAD *head" "SLIST_ENTRY NAME" "TYPE *temp_var"
 .\" .Fn SLIST_FOREACH_FROM_SAFE "TYPE *var" "SLIST_HEAD *head" "SLIST_ENTRY NAME" "TYPE *temp_var"
+.\" .Fn SLIST_FOREACH_SAFE "TYPE *var" "SLIST_HEAD *head" "SLIST_ENTRY NAME" "TYPE *temp_var"
 .Fn SLIST_HEAD "HEADNAME" "TYPE"
 .Fn SLIST_HEAD_INITIALIZER "SLIST_HEAD head"
 .Fn SLIST_INIT "SLIST_HEAD *head"
 .Fn SLIST_INSERT_AFTER "TYPE *listelm" "TYPE *elm" "SLIST_ENTRY NAME"
 .Fn SLIST_INSERT_HEAD "SLIST_HEAD *head" "TYPE *elm" "SLIST_ENTRY NAME"
 .Fn SLIST_NEXT "TYPE *elm" "SLIST_ENTRY NAME"
+.Fn SLIST_REMOVE "SLIST_HEAD *head" "TYPE *elm" "TYPE" "SLIST_ENTRY NAME"
 .\" .Fn SLIST_REMOVE_AFTER "TYPE *elm" "SLIST_ENTRY NAME"
 .Fn SLIST_REMOVE_HEAD "SLIST_HEAD *head" "SLIST_ENTRY NAME"
-.Fn SLIST_REMOVE "SLIST_HEAD *head" "TYPE *elm" "TYPE" "SLIST_ENTRY NAME"
 .\" .Fn SLIST_SWAP "SLIST_HEAD *head1" "SLIST_HEAD *head2" "SLIST_ENTRY NAME"
 .\"
 .SH DESCRIPTION
+In the macro definitions,
+.Fa TYPE
+is the name of a user-defined structure,
+that must contain a field of type
+.Li SLIST_ENTRY ,
+named
+.Fa NAME .
+The argument
+.Fa HEADNAME
+is the name of a user defined structure that must be declared
+using the macro
+.Li SLIST_HEAD .
 .Ss Singly-linked lists
 A singly-linked list is headed by a structure defined by the
 .Nm SLIST_HEAD
@@ -221,10 +235,12 @@ from the list.
 .\" .Fa head1
 .\" and
 .\" .Fa head2 .
-.Pp
-See the EXAMPLES section below for an example program using a singly-linked list.
 .SH RETURN VALUE
 .SH CONFORMING TO
+Not in POSIX.1, POSIX.1-2001 or POSIX.1-2008.
+Present on the BSDs
+(SLIST macros first appeared in
+.Bx 4.4 ).
 .SH BUGS
 .SH EXAMPLES
 .Ss Singly-linked list example
@@ -245,7 +261,7 @@ SLIST_HEAD(slisthead, entry);
 int
 main(void)
 {
-    struct entry    *n1, *n2, *n3, *np;
+    struct entry *n1, *n2, *n3, *np;
     struct slisthead head;                  /* Singly-linked List
                                                head. */
 
-- 
2.28.0