--- jam.c.old	2019-06-21 01:12:56
+++ jam.c	2024-09-29 09:52:11
@@ -166,7 +166,7 @@
 # endif
 # endif
 
-main( int argc, char **argv, char **arg_environ )
+int main( int argc, char **argv, char **arg_environ )
 {
 	int		n;
 	const char	*s;