--- libspopc.h	2010/12/25 22:46:09	23
+++ libspopc.h	2012/04/08 22:56:53	24
@@ -192,7 +192,7 @@
  *********************/
 #define DOTBEGIN(s) ((s)[0]=='\n'&&(s)[1]=='.')
 
-int dotline(char* buf);
+int dotline(char* buf, int total_size);
 /* returns 1 if 'buf' contains a "\n.\n" or "\n.\0" or \r.(etc) substring
  * buf must be terminated by '\0' */