#include stdio.h>
#include stdlib.h>
#include ctype.h>
#include errno.h>
#include string.h>
#include unistd.h>
#include fcntl.h>
#include sys/stat.h>
#include limits.h>
#include math.h>
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
/* 庫 open 函數(shù)的前置聲明 */
int luaopen_mylib(lua_State *L);
static int l_sin (lua_State *L)
{
double d = luaL_checknumber(L, 1);
lua_pushnumber(L, sin(d));
//printf("ok now is luahook!\n");
return 1; /* number of results */
}
static const luaL_Reg mylib[] =
{
{"lsin", l_sin},
{NULL, NULL} /* 必須以NULL結尾 */
};
int luaopen_mylib(lua_State *L)
{
luaI_openlib(L, "mylib", mylib, 0);
return 1;
}
