Index: lib/regexprops.c
================================================================================
--- lib/regexprops.c
+++ lib/regexprops.c
@@ -144,7 +144,7 @@
 }
 
 
-static int describe_regex_syntax(int options)
+static void describe_regex_syntax(int options)
 {
   newpara();
   content("The character @samp{.} matches any single character");
@@ -435,7 +435,7 @@
 
 
 
-static int menu()
+static void menu()
 {
   int i, options;
   const char *name;
@@ -456,7 +456,7 @@
 }
 
 
-static int describe_all(const char *up)
+static void describe_all(const char *up)
 {
   const char *name, *next, *previous;
   int options;
--- xargs/xargs.c
+++ xargs/xargs.c
@@ -409,6 +409,7 @@
 	  error(1, 0,
 		_("Invalid input delimiter specification %s: the delimiter must be either a single character or an escape sequence starting with \\."),
 		s);
+	  return 0;
 	}
     }
 }