Can I dynamically load C user routines?

• 2.1: What are all these $@*%<> signs and how do I know when to use them?
• 2.2: Why don't backticks work as they do in shells?
• 2.3: How come Perl operators have different precedence than C operators?
• 2.4: How come my converted awk/sed/sh script runs more slowly in Perl?
• 2.5: How can I call my system's unique C functions from Perl?
• 2.6: Where do I get the include files to do ioctl() or syscall()?
• 2.7: Why doesn't "local($foo) = <FILE>;" work right?
• 2.8: How can I detect keyboard input without reading it,
• 2.9: how can I read a single character from the keyboard under UNIX and DOS?
• 2.10: How can I make an array of arrays or other recursive data types?
• 2.11: How do I make an array of structures containing various data types?
• 2.12: How can I quote a variable to use in a regexp?
• 2.13: Why do setuid Perl scripts complain about kernel problems?
• 2.14: How do I open a pipe both to and from a command?
• 2.15: How can I change the first N letters of a string?
• 2.16: How can I manipulate fixed-record-length files?
• 2.17: How can I make a file handle local to a subroutine?
• 2.18: How can I extract just the unique elements of an array?
• 2.19: How can I call alarm() or usleep() from Perl?
• 2.20: How can I test whether an array contains a certain element?
• 2.21: How can I do an atexit() or setjmp()/longjmp() in Perl?
• 2.22: Why doesn't Perl interpret my octal data octally?
• 2.23: How do I sort an associative array by value instead of by key?
• 2.24: How can I capture STDERR from an external command?
• 2.25: Why doesn't open return an error when a pipe open fails?
• 2.26: How can I compare two date strings?
• 2.27: What's the fastest way to code up a given task in perl?
• 2.28: How can I know how many entries are in an associative array?