1 files changed, 3 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h
index 649e9ee..5921a86 100644
--- a/src/util.h
+++ b/src/util.h
@@ -4,6 +4,9 @@
 #include <stdint.h>
 
 int
+pgm_read(char *filename, unsigned char **buf, int *xsize, int *ysize);
+
+int
 pgm_save(unsigned char *buf, int wrap, int xsize, int ysize, char *filename);
 
 /* Store half of frame_a and half of frame_b in frame_a */