Plan9 Programming Memo for beginners

This memo is my memorandam. It is underconstracting forever.

The most small program for 8c/8l

#include <u.h>
#include <libc.h>
void
main(int argc, char *argv[])
{
}

The most small program for ape

Before this, ape/psh required.

#include <stdlib.h>
void
main(int argc, char *argv[])
{
}