tft args

src/utils.hpp

@@ -23,15 +23,18 @@
 /* 	return lhs; */
 /* } */
 
-void init();
-
+using fd_t = int;				/* file descriptor */
 struct MappedFile
 {
 	char* data;
 	unsigned len;
 };
 
-MappedFile mapfile(const char* path);
+void init();
+
+
+MappedFile mapfile(fd_t);
+fd_t openOrDie(const char* path);
 
 template <class Vec>
 void remove(Vec& vec, size_t pos) /* Remove from vector by moving the last element in its place */