Level 2

Here are the 20 exercises of the level 2 :

alpha_mirrorcamel_to_snakedo_op*ft_atoi*ft_strcmpft_strcspnft_strspn*ft_strdupft_strpbrkft_strrevinterlast_wordft_is_power_2maxprint_bitsreverse_bitswdmatchswap_bitsunionsnake_to_camel

We already know some of the functions (the ones with * in front of them).