- aff.p = write "p\n" for every condition
- ft_swap - swap values of two variables, prototyped: void ft_swap(int *a, int *b);
- count_len = return length of a string
- maff_realpha = write wierd ABC (reversed, every other letter capital)
- ft_strrev = reverse a string (modify it) + return pointer to the string
- ft_atoi = string to int (bonus: check if it can be an integer)
- first_word = print first word (not counting spaces or tab)
- aff_first_param = print first parameter of the program
- union - print all nonrepeating char from two strings (no doubles)
- count_words = count all words in sentence