1 files changed, 5 insertions, 0 deletions
diff --git a/euler/include/cstdio b/euler/include/cstdio
index 27073db..75472c1 100644
--- a/euler/include/cstdio
+++ b/euler/include/cstdio
@@ -10,6 +10,11 @@ namespace std {
   FILE *fopen(const char *filename, const char *mode);
   int fclose(FILE *stream);
 
+  int fseek(FILE *stream, long offset, int origin);
+  #define SEEK_SET 0
+  #define SEEK_CUR 2
+  #define SEEK_END 1
+
   size_t fread(void *buffer, size_t size, size_t count, FILE *stream);
 
 }