Fix prototypes.

* src/cm.c (evalcost): Fix arg type.
* src/cm.h (evalcost): Fix prototype.
* src/lisp.h (memory_warnings): Fix prototype.

* lib-src/ebrowse.c (match_qualified_namespace_alias):
  Pass sym* to find_namespace, not link*.
* lib-src/emacsclient.c (send_to_emacs, quote_argument): Arg s is HSOCKET.
* lib-src/sorted-doc.c (qsort_compare): New typedef.
  (main): Use it to cast cmpdoc.

lib-src/emacsclient.c

@@ -764,7 +764,7 @@ sock_err_message (char *function_name)
    - the buffer is full (but this shouldn't happen)
    Otherwise, we just accumulate it.  */
 void
-send_to_emacs (int s, char *data)
+send_to_emacs (HSOCKET s, char *data)
 {
   while (data)
     {
@@ -801,9 +801,9 @@ send_to_emacs (int s, char *data)
    any initial -.  Change spaces to underscores, too, so that the
    return value never contains a space.
 
-   Does not change the string.  Outputs the result to STREAM.  */
+   Does not change the string.  Outputs the result to S.  */
 void
-quote_argument (int s, char *str)
+quote_argument (HSOCKET s, char *str)
 {
   char *copy = (char *) xmalloc (strlen (str) * 2 + 1);
   char *p, *q;