Enhance clarity in introduction of C functions post

Refine introduction to clarify constraints and goals of using C for compile-time function execution.

Author: MyNameIsTrez

_posts/2025-11-30-comptime-c-functions.md

@@ -4,9 +4,12 @@ title: "Comptime C functions"
 date: 2025-11-29 12:00:00 +0100
 ---
 
-Compile-time function execution is great, but what if you're stuck with C, and don't want to use evil C macros?
+Compile-time function execution is great, but what if you're:
+1. Stuck with C.
+2. Don't want to use evil C macros.
+3. Want generic data structures that work for all types.
 
-The below programs compile `main()` down to the single `printf()` statement at the very end that prints that the test passed.
+The below programs with GCC and Clang optimizations compile `main()` down to the `printf()` statement that prints that the test passed.
 
 # Generic Stack