added filesystem::FileStream

1 files changed, 4 insertions, 1 deletions

diff --git a/src/sys/sys.h b/src/sys/sys.h
index 81eba94..5e41daa 100644
--- a/src/sys/sys.h
+++ b/src/sys/sys.h
@@ -22,7 +22,10 @@ namespace sys
 typedef void(* signalfunc)(int signum);
 
 /// returns true if a path exists and it is a directory
-bool isdirectory(const std::string &path);
+bool directory_exists(const std::string &path);
+
+/// returns true if a file exists
+bool file_exists(const std::string &filename);
 
 /// create a directory
 void mkdir(const std::string &path);