feat: added wrapper for io

1 files changed, 30 insertions, 5 deletions

diff --git a/include/libn.h b/include/libn.h
index aad359e..64e2e70 100644
--- a/include/libn.h
+++ b/include/libn.h
@@ -11,9 +11,9 @@
 #include <stdio.h>
 
 #include <unistd.h>
+#include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <fcntl.h>
 
 // ----------------------------------------------------------------------------
 // Dynamic array. 
@@ -50,15 +50,16 @@ void _bufpop(void*, int, vlong);
 // -----------------------------------------------------------------------------
 // Co-routines
 
-typedef struct coro coro;
+typedef struct Coro Coro;
 
-coro*   coro·new(uintptr stk, uintptr (*func)(coro*, uintptr));
-uintptr coro·yield(coro *c, uintptr arg);
-error   coro·free(coro *c);
+Coro*   coro·new(uintptr stk, uintptr (*func)(Coro*, uintptr));
+uintptr coro·yield(Coro *c, uintptr arg);
+error   coro·free(Coro *c);
 
 // -----------------------------------------------------------------------------
 // Strings
 
+// TODO(nnoll): Move here?
 #include ".include/str.h"
 
 // -----------------------------------------------------------------------------
@@ -67,6 +68,30 @@ error   coro·free(coro *c);
 #include ".include/map.h"
 
 // -----------------------------------------------------------------------------
+// I/O
+
+typedef FILE Stream;
+enum SeekPos
+{
+    seek·CUR = SEEK_CUR,
+    seek·SET = SEEK_SET,
+    seek·END = SEEK_END
+};
+
+Stream *io·open(byte *name, byte *mode);
+error   io·close(Stream *s);
+byte    io·getbyte(Stream *s);
+vlong   io·read(Stream *s, int sz, int n, void *buf);
+int     io·readln(Stream *s, int n, byte* buf);
+error   io·putbyte(Stream *s, byte c);
+int     io·putstring(Stream *s, string str);
+vlong   io·write(Stream *s, int sz, int n, void *buf);
+int     io·seek(Stream *s, long off, enum SeekPos origin);
+
+// -----------------------------------------------------------------------------
+// Buffered I/O
+
+// -----------------------------------------------------------------------------
 // Error handling functions.
 
 void errorf(const byte* fmt, ...);