Add line area/span indication to error messages

1 files changed, 4 insertions, 0 deletions

diff --git a/common.h b/common.h
index e5c0ab4..5a6977d 100644
--- a/common.h
+++ b/common.h
@@ -1,6 +1,10 @@
 #ifndef COMMON_H
 #define COMMON_H
 
+#include <stdio.h>
+#include <stddef.h>
+
+void indicate_file_area(FILE *fd, size_t line, size_t column, size_t span);
 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
 
 #endif