struct record * get_records(time_t start, time_t end){
// start and end time can be specified
// If zero is passed in for start time, then start searching at beginning of log
// If zero is passed in for the end time, then search until the end of the log

// returns pointer to link list of all records within start and end time (which are themselves a link list)
// if no records were found during specified start and end time, returns NULL
}


struct record * get_matching_records(struct record * matching_criteria, time_t start, time_t end){
// matching_criteria is passed into function
// matching_criteria is a pointer to a linked list of record pieces we are looking for
// start and end time can be specified
// If zero is passed in for start time, then start searching at beginning of log
// If zero is passed in for the end time, then search until the end of the log

// returns pointer to link list of all matching records (which are themselves a link list)
// if no matching record is found, returns NULL
}

struct record * get_records_by_fields(struct generic_field_data * fields_to_match, time_t start, time_t end){
// fields_to_match is passed into the function
// fields_to_match is a pointer to one structure with all the fields we want to match filled in and the rest initialized
// start and end time can be specified
// If zero is passed in for start time, then start searching at beginning of log
// If zero is passed in for the end time, then search until the end of the log

// returns pointer to link list of all matching records (which are themselves a link list)
// if no matching record is found, returns NULL
}

record_data * initialize_record_data(record_data * matching_criteria){
//initializes all fields in generic field data type
}

generic_field_data * initialize_generic_field_data(generic_field_data * fields_to_match){
//initializes all fields in generic field data type
}