1 files changed, 8 insertions, 0 deletions
diff --git a/gramscii.h b/gramscii.h
index 2ec7088..6419961 100644
--- a/gramscii.h
+++ b/gramscii.h
@@ -1,6 +1,8 @@
 #ifndef __GRAMSCII_H__
 #define __GRAMSCII_H__
 
+#define _POSIX_C_SOURCE 2 
+
 #include <stdio.h>
 #include <termios.h>
 #include <unistd.h>
@@ -58,6 +60,10 @@
 #define NEW_STATE 0x02
 /**/
 
+/* file types */
+#define FFILE 0x01
+#define FPIPE 0x02
+
 /** types **/
 
 typedef struct{
@@ -157,6 +163,7 @@ void go_to(int where);
 void crop_to_nonblank();
 void crop_to_rect();
 void erase_blank_lines(int y1, int y2);
+int _isblank(int c);
 /**/
 
 /** drawing-related functions **/
@@ -176,6 +183,7 @@ void write_file(FILE *fc);
 void check_modified(FILE *fc);
 void load_file(FILE *fc);
 void new_file(FILE *fc);
+void read_file_at(FILE *fc, int xl, int yl);
 /**/
 
 /** line-related functions **/