typedef struct wordGrep {
    struct wordGrep *self;
    int size;
    int division_size;
    int division_out_size;
    int out_size;
    int task_num;
    int task_blocks;
    int status_num;
    int task_spwaned;
    int *o_data;
    //unsigned long long *head_tail_flag;
    int out_task_num;
    //int pad; 
    char *file_mmap;
    int file_size;
    HTaskPtr t_print;
} WordGrep;
typedef struct Read_buf{
	struct Read_buf *self;
	char *read_buf;
	char *read_sstr;
} Grep;