implemented file read/write functions

src/filesystem/dir.c

@@ -1,5 +1,5 @@
 #include "tlibc/filesystem.h"
-#include "io_includes.h"
+#include "internal.h"
 
 bool dir_exists(cstr path){
     if(path[0]=='.'){
@@ -8,7 +8,7 @@ bool dir_exists(cstr path){
         // else if(path[1]=='.' && path[2]==path_sep)
         //TODO path_resolve because windows doesnt recognize .\ pattern
     }
-#if KFS_USE_WINDOWS_H
+#if TLIBC_FS_USE_WINDOWS_H
     DWORD dwAttrib = GetFileAttributes(path);
     return (bool)(
         (dwAttrib != INVALID_FILE_ATTRIBUTES) && // file exists
@@ -29,7 +29,7 @@ Result(void) dir_create(cstr path){
     char* parentDir= str_copy(path_dirname(str_from_cstr((void*)path))).data;
     try_void(dir_create(parentDir), free(parentDir));
     free(parentDir);
-#if KFS_USE_WINDOWS_H
+#if TLIBC_FS_USE_WINDOWS_H
     if(!CreateDirectory(path, NULL))
 #else
     if(mkdir(path, 0777) == -1)