Creating a module system (dynamic loading) in C

Question

How would one go about loading compiled C code at run time, and then calling functions within it? Not like simply calling exec().

EDIT: The the program loading the

Answer 1

Under Windows, this is how I do it:

• Generate code (in C because it's easy to find compilers, and library requirements are minimal)
• spawn a job to compile/link it into a DLL
• load it with LoadLibrary
• get function pointers with GetProcAddress

The generate/compile/link steps generally take less than a second.