#endif /* not lint */
#include <stdio.h>
+#include <stdlib.h>
#include "def.h"
#include "struct.h"
static int errors = 0;
static int yyerror(const char *);
+static int checkdefs(void);
+static void check_point(int x, int y);
+static void check_edir(int x, int y, int dir);
+static void check_line(int px1, int py1, int px2, int py2);
+static void check_edge(int x, int y);
%}
%%