<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">ctype.h is needed for defining tolower(). Why was this header deliberately excluded?

--- expand_number.c.orig
+++ expand_number.c
@@ -31,9 +31,7 @@
 #endif
 
 #include &lt;sys/types.h&gt;
-#ifndef __APPLE__
 #include &lt;ctype.h&gt;
-#endif
 #include &lt;errno.h&gt;
 #include &lt;inttypes.h&gt;
 #include &lt;stdint.h&gt;
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