It's show how create a minimal lua interpreter with some features

test.argv_lua.c

/*
denis dos santos silva
2024-03-30
*/

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <time.h>
#include <ctype.h>
#include <errno.h>
#include <assert.h>

#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"

int main( const int argc, const char *argv[] ) {
  lua_State *L;
  int exit_code = 0;

	srand(time(NULL));
  
  // disable output buffering
	setbuf(stdout, NULL);

  // luavm
	L = luaL_newstate();
  if (!L)
    exit(1);
  
  luaL_openlibs(L);
  
	// register 'argv'
	{
		lua_newtable(L);

		for (int i=0; i<argc; i++) {
			lua_pushinteger(L, i+1);
			lua_pushstring(L, argv[i]);
			lua_settable(L, -3);
		}

		lua_setglobal(L, "argv");
		lua_settop(L, 0);
	}
  
	// run script
    if (luaL_dofile(L, "main.lua") != 0) {
      fprintf(stderr,"[error] %s\n",lua_tostring(L,-1));
		  lua_settop(L, 0);
		  exit_code = 1;
    }

    lua_close(L);

    return exit_code;
}


/*
main.lua:
print( _VERSION )
print('argv', type(argv))
print("dump table");
print(table.concat(argv, '\n'))

output:
$ ./test 12 3 4
Lua 5.4
argv    table
dump table
X:\test.exe
12
3
4

*/