X-Git-Url: https://plomlompom.com/repos/berlin_corona.txt?a=blobdiff_plain;f=src%2Freadwrite.h;h=7fad4be31b5782be7161b3f1650c70ffcf55eb81;hb=f9346f39eb0b325a655b142a12ff55a0270bc0df;hp=28bc3ab2316f5a0dfb1e667aec337edf57c90417;hpb=e9d8b1aca776341c9cdaa2ea6406336661d82a76;p=plomrogue

diff --git a/src/readwrite.h b/src/readwrite.h
index 28bc3ab..7fad4be 100644
--- a/src/readwrite.h
+++ b/src/readwrite.h
@@ -1,5 +1,9 @@
+#ifndef READWRITE_H
+#define READWRITE_H
+
 uint16_t read_uint16_bigendian(FILE * file);
 void write_uint16_bigendian(uint16_t x, FILE * file);
 uint32_t read_uint32_bigendian(FILE * file);
 void write_uint32_bigendian(uint32_t x, FILE * file);
 
+#endif