Added cstrings

include/fs.mcl

@@ -16,3 +16,9 @@ const FS_O_PATH 2097152 end // open descriptor for obtaining permissions and sta
 const FS_O_SYNC 1052672 end // wait for IO to complete before returning
 const FS_O_TMPFILE 4259840 end // create an unnamed, unreachable (via any other open call) temporary file
 const FS_O_TRUNC 512 end // if file exists, ovewrite it (careful!)
+
+
+fn fs_read_to_string with int ptr returns int ptr then
+    
+
+done

include/io.mcl

@@ -5,7 +5,7 @@
 // @arg buff_ptr: Ptr - pointer to the buffer to write
 // @arg fd: Int - file descriptor
 // @ret Int
-inline fn write with int ptr int returns int then
+inline fn fwrite with int ptr int returns int then
     SYS_write syscall3
 done
 
@@ -15,18 +15,29 @@ done
 // @arg buff_ptr: Ptr - pointer to the buffer to write
 // @arg fd: Int - file descriptor
 // @ret Int
-inline fn read with int ptr int returns int then
+inline fn fread with int ptr int returns int then
     SYS_read syscall3
 done
 
 
+// Write to a file descriptor using the SYS_write syscall
+// args: [buff_ptr, flags, mode]
+// @arg buff_ptr: Ptr - File to open
+// @arg flags: Int - Flags
+// @arg mode: Int - Mode
+// @ret Int - Fd
+inline fn fopen with int ptr int returns int then
+    SYS_open syscall3
+done
+
+
 // Print a string to STDOUT
 // args: [str_size, str_ptr]
 // @arg buff_size: Int - number of bytes to write
 // @arg buff_ptr: Ptr - pointer to the buffer to write
 // @ret NULL
 inline fn puts with int ptr returns void then
-    STDOUT write drop
+    STDOUT fwrite drop
 done
 
 // Print a string to STDERR
@@ -35,7 +46,7 @@ done
 // @arg buff_ptr: Ptr - pointer to the buffer to write
 // @ret NULL
 inline fn eputs with int ptr returns void then
-    STDOUT write drop
+    STDOUT fwrite drop
 done
 
 // TODO: make putc and eputc after we make local mem