Warning: this is an htmlized version!
The original is across this link,
and the conversion rules are here.
#include <lua.h>
#include <lauxlib.h>
/* (find-angg "vtutil4/piofontx.c")
 * (find-luamanualw3m "#luaL_checkint")
 * (find-luamanualw3m "#lua_pushlstring")
 * (find-luamanualw3m "#lua_register")
 * (find-luamanualw3m "#pdf-package.loadlib")
 * (find-luamanualw3m "#lua_CFunction")
 * (find-lua51file "src/lua.h" "push functions (C -> stack)")
 * (find-lua51file "src/loadlib.c" "luaL_checkstring")
 * (find-lua51file "src/")
 * (find-lua51file "src/lua.h")
 * (find-lua51file "src/lauxlib.h" "checkint")
 * (find-sh0 "gcc -shared -o peek.so -I$LUA51SRC/src peek.c; ls -l peek.so")
 * (find-pilfile "")
 * (find-pilw3m "index.html")
 * (find-pilw3m "26.2.html")
 */

static int lua_peek(lua_State* L) {
  int addr = luaL_checkint(L, 1);
  int len  = luaL_checkint(L, 2);
  lua_pushlstring(L, (void *)addr, len);
  return 1;
}

LUALIB_API int peek_init(lua_State *L) {
  lua_register(L, "peek", lua_peek);
  return 0;
}