ref: a351bcdccdf5a4273bc8dc3360a48fbb8b8aa9ea
dir: /src/env.c/
#include <u.h>
#include <libc.h>
void
main(int, char*[])
{
char* home;
home = getenv("home");
if (home == nil)
sysfatal("we are homeless");
print("home is %s\n", home);
exits(nil);
}