ext.diff

diff -U7 ext.orig/generate.c ext.new/generate.c
--- ext.orig/generate.c	2023-12-19 10:02:39.000000000 -0500
+++ ext.new/generate.c	2023-12-31 11:54:37.000000000 -0500
@@ -176,21 +176,26 @@
     va_start(ptr,fmt);
     vsnprintf(bfr, sizeof bfr, fmt, ptr);
     va_end(ptr);
     Qstring(bfr, f);
 }
 
 
+static int Qchar_mkd_sta_function_t(const int n, const void* iot) {
+  Qchar(n, iot);
+}
+
+
 /* Qanchor() prints out a suitable-for-id-tag version of a string
  */
 static void
 Qanchor(struct line *p, MMIOT *f)
 {
     mkd_string_to_anchor(T(p->text), S(p->text),
-			 (mkd_sta_function_t)Qchar, f, 1, f);
+			 Qchar_mkd_sta_function_t, f, 1, f);
 }
 
 
 /* Qem()
  */
 static void
 Qem(MMIOT *f, char c, int count)
diff -U7 ext.orig/gethopt.c ext.new/gethopt.c
--- ext.orig/gethopt.c	2023-12-19 10:01:53.000000000 -0500
+++ ext.new/gethopt.c	2023-12-31 11:55:06.000000000 -0500
@@ -41,16 +41,15 @@
 struct h_context *ctx;
 {
     return ctx->optopt;
 }
 
 
 int
-hopterr(ctx,val)
-struct h_context *ctx;
+hopterr(struct h_context *ctx, int val)
 {
     int old = ctx->opterr;
     
     ctx->opterr = !!val;
     return old;
 }
 
diff -U7 ext.orig/toc.c ext.new/toc.c
--- ext.orig/toc.c	2023-12-19 10:01:53.000000000 -0500
+++ ext.new/toc.c	2023-12-31 11:56:16.000000000 -0500
@@ -11,14 +11,19 @@
 #include <stdlib.h>
 #include <ctype.h>
 
 #include "cstring.h"
 #include "markdown.h"
 #include "amalloc.h"
 
+static int Csputc_mkd_sta_function_t(const int n, const void* iot) {
+  Csputc(n, iot);
+}
+
+
 /* write an header index
  */
 int
 mkd_toc(Document *p, char **doc)
 {
     Paragraph *tp, *srcp;
     int last_hnumber = 0;
@@ -60,15 +65,15 @@
 			if ( (srcp->hnumber - last_hnumber) > 1 )
 			    Csprintf(&res, "%*s<li>\n", last_hnumber+1, "");
 			++last_hnumber;
 		    }
 		    Csprintf(&res, "%*s<li><a href=\"#", srcp->hnumber, "");
 		    mkd_string_to_anchor(T(srcp->text->text),
 					 S(srcp->text->text),
-					 (mkd_sta_function_t)Csputc,
+					 Csputc_mkd_sta_function_t,
 					 &res,1,p->ctx);
 		    Csprintf(&res, "\">");
 		    Csreparse(&res, T(srcp->text->text),
 				    S(srcp->text->text), IS_LABEL);
 		    Csprintf(&res, "</a>");
 
 		    first = 0;