rem: bool init_scan_info_by_file(const char *file_name,scan_info *info)
add: int init_scan_info_by_file(const char *file_name,scan_info *info)
context: bool init_scan_info_by_file(const char *file_name,scan_info *info){	int err = SHE_NO_ERROR;	err = read_text_file(file_name,&(info->data));	if(err != SHE_NO_ERROR) return err;	info->scanner    = NULL;	info->scan_error = SHE_NO_ERROR;	if(scan_info_home(info)) err  = SHE_SCAN_ERROR;	return err;}