0x04-pointers_arrays_strings

0x04. C - Pointers, arrays and strings

Description

What you should learn from this project:

• What are pointers and how to use them
• What are arrays and how to use them
• What are the differences between pointers and arrays
• How to use strings and how to manipulate them
• Scope of variables

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0. 98 Battery st.

• Write a function that takes a pointer to an int as parameter and updates the value it points to to 98.

1. Don't swap horses in crossing a stream

• Write a function that swaps the values of two integers.

2. This report, by its very length, defends itself against the risk of being read

• Write a function that returns the length of a string.

3. I do not fear computers. I fear the lack of them

• Write a function that prints a string, followed by a new line, to stdout.

4. I can only go one way. I've not got a reverse gear

• Write a function that prints a string, in reverse, followed by a new line.

5. A good engineer thinks in reverse and asks himself about the stylistic consequences of the components and systems he proposes

• Write a function that reverses a string.

6. Half the lies they tell about me aren't true

• Write a function that prints one char out of 2 of a string, followed by a new line.

7. Winning is only half of it. Having fun is the other half

• Write a function that prints half of a string, followed by a new line.

8. Arrays are not pointers

• Write a function that prints n elements of an array of integers, followed by a new line.

9. strcpy

• Write a function that copies the string pointed to by src, including the terminating null byte (\0), to the buffer pointed to by dest.

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Author

• Derrick Gee - kai-dg