Fix include paths and formatting inconsistencies

1 files changed, 7 insertions, 4 deletions

diff --git a/lib/libc/stdio/ferror.c b/lib/libc/stdio/ferror.c
index b4e438b3..69ef439d 100644
--- a/lib/libc/stdio/ferror.c
+++ b/lib/libc/stdio/ferror.c
@@ -1,10 +1,13 @@
-#include <stdio.h>
-#include <io.h>
+#include "__stdio.h" // for _IO_ERR
+#include "stddef.h"  // for NULL
+
+#include <libc.h>  // for __IMPL
+#include <stdio.h> // for FILE, ferror
 
 int ferror(FILE *stream)
 {
-	if (!stream)
+	if (stream == NULL)
 		return 0;
 
-	return (stream->flags & _IO_ERR) != 0;
+	return (__IMPL(stream)->flags & _IO_ERR) != 0;
 }