a lua c api sample

capi.c

#include <stdio.h>
#include <string.h>
#include "lua5.1/lua.h"
#include "lua5.1/lauxlib.h"
#include "lua5.1/lualib.h"

int main(void)
{
    char buff[256];
    int error;
    lua_State *L = luaL_newstate();
    luaL_openlibs(L);

    while(fgets(buff,sizeof(buff),stdin)!=NULL)
    {
        error = luaL_loadbuffer(L, buff, strlen(buff), "line");
        lua_pcall(L,0,0,0);
        if (error) {
            fprintf(stderr, "%s", lua_tostring(L, -1));
            lua_pop(L, 1);
        }
    }
    lua_close(L);
    return 0;
}

Makefile

all:
	gcc -o capi capi.c -llua5.1

clean:
	rm -rvf capi

this is a lua c api sample
enviroment:
system: ubuntu 12.04
lua: lua5.1