new_perl questions

• Is there a way to invoke Perl debugger by some environment variables?
• Is there a book on glibc? [closed]
• What's the correct way to write this in OCaml?
• Is there any work around to make perl debugger set break points on modules not yet loaded?
• Is there any case for which returning a structure directly is good practice?
• Why are there two ways to write inline assembly with gcc?
• What's %^H used for in Perl?
• What's the purpose of such code?
• What's the reason to align to 8?
• Why printf doesn't print what I feed it with?

new_perl answers