我编写的程序如下:(在libBBS/ucache.c中,在头文件中声明了的)
int searchunday(long daynum)
{
   int j;
   FILE *fp,*fpp;
   struct userec user;
       fpp =fopen("/usr/local/bbs/.PASSWDS","rb");//安装目录
       fp =fopen("/home/bbs/result.txt","a+");
       if(fp=NULL)return 0;
        j =0;
        while(!feof(fpp))
         {  fread(&user, sizeof(user), 1, fpp);
          if((time((time_t *)NULL)-user.lastlogin)/(24*60*60)>=daynum)                                  
           {
             fwrite(&user,sizeof(user),1,fp);
             j=j+1;
               }          
           }
        fclose(fp);
        fclose(fpp);
        return j;
}


在phplib/phpbbs.user.c中加了:
PHP_FUNCTION(bbs_getunday)
{
    long  s;
    long  num;

    if (zend_parse_parameters(1 TSRMLS_CC, "l", &s) != SUCCESS) {
        WRONG_PARAM_COUNT;
    }

    num =searchunday(s);
    RETURN_LONG(num);
}


在phplib/phpbbs.user.h中加了:
PHP_FUNCTION(bbs_getunday);
PHP_FE(bbs_getunday, NULL) \

但是调用的时候出现问题,函数是可以调用的,因为那个result.txt文件创建了,但是里面没有内容,而且在php代码中调用bbs_getunday没有返回值,是怎么回事啊!大家帮忙分析一下.
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