os: mkdir syscall on linux

vlib/os/os.v

@@ -31,14 +31,8 @@ pub const (
 	MAX_PATH = 4096
 )
 
-/*
-struct C.FILE {
-	
-}
-*/
-
 pub struct File {
-	cfile voidptr
+	cfile voidptr // Using void* instead of FILE*
 }
 
 struct FileInfo {

vlib/os/os_nix.v

@@ -57,13 +57,11 @@ pub fn dir_exists(path string) bool {
 
 // mkdir creates a new directory with the specified path.
 pub fn mkdir(path string) {
-	/*
 	$if linux {
-		C.syscall(C.SYS_mkdir, path.str)
+		C.syscall(83, path.str, 511) // sys_mkdir
 	}	$else {
-		*/
 		C.mkdir(path.str, 511)// S_IRWXU | S_IRWXG | S_IRWXO
-	//}
+	}
 }
 
 // exec starts the specified command, waits for it to complete, and returns its output.