Error in file about_io.c (error: cast to 'FILE *')

[anquegi]

Error in file about_io.c (error: cast to 'FILE *')

[anquegi]

I make a change on the file:

diff --git a/include/c_koans.h b/include/c_koans.h
index 0b83f76..858b929 100644
--- a/include/c_koans.h
+++ b/include/c_koans.h
@@ -7,7 +7,7 @@
-#define TODO_FP (FILE*)!NULL
+#define TODO_FP (FILE*) NULL

An it finally worked

[brian-gavin]

Thanks, noted. I'll implement this fix soon, unless you wanted to fork & make a pull request yourself.

The change looks like it would be more correct, considering a null pointer is probably what the TODO_FP pointer should be.