辅导programs留学生、讲解c/c++语言、辅导read_lines、讲解c/c++

Files to submit: read_lines.c, read_lines.h

Time it took Matthew to Complete: 15 mins

All programs must compile without warnings when using the -Wall and -Werror options

If submitting multiple files on Kodethon place them into a zip folder

Make sure to zip the files themselves and NOT the directory they are inside.

Your program must match the output exactly to receive credit.

Make sure that all prompts and output match mine exactly.

Easiest way to do this is to copy and paste them

All input will be valid unless stated otherwise

Print all real numbers to two decimal places unless otherwise stated

The examples provided in the prompts do not represent all possible input you can receive.

All inputs in the examples in the prompt are underlined

You don't have to make anything underlined it is just there to help you differentiate between

what you are supposed to print and what is being given to your program

If you have questions please post them on Piazza

Restrictions

No global variables are allowed

Your main function may only declare variables, call other functions, and assign

variables values.

For this assignment you will be writing only a single function: read_lines.

Specifications

1. This function has the following definition:

1. void read_lines(FILE* fp, char*** lines, int* num_lines).

2. This function should read all of the lines contained within fp and

1. Set each row of lines to contain one line of the file.

2. Set num_lines to be equal to the number of lines that were in the file

3. If the file is empty lines should be set to NULL and num_lines to 0.

4. You only need to submit read_lines.c and read_lines.h

5. read_lines.h must contain at least the definition for read_lines but it is perfectly ok if there

are more

Example

1. ./read_lines.out Makefile

1. read_lines.out: read_lines.o main.o

2. gcc -g -Wall -Werror -o read_lines.out read_lines.o main.o

3.

4. main.o: main.c read_lines.h

5. gcc -g -Wall -Werror -c -o main.o main.c

6.

7. read_lines.o: read_lines.c read_lines.c

8. gcc -g -Wall -Werror -c -o read_lines.o read_lines.c

9.

10. clean:

11. rm -f *.out *.o