C Programming for linux please.

Question 2 Twitterlyzer: 20 marks This question is based on the social network site Twitter. Twitter is an online news and social networking service where users post and interact with messages called "tweets", restricted to 140 characters [Wikipedia]. Some useful terms Tweet is a message posted on Twitter that is between l and 140 characters long (inclusive). For this assignment, we assume that a tweet can have a minimum of 1 and a maximum of 60 characters only Username is the name of a Twitter user. For example, michelleobama is a user name. For this assignment, any text without spaces is a valid username. . Mention is a tweet that includes the character @, followed by username. For example, the tweet Prince Harry and emichelleobama is a mention of the Twitter user michelleobama. Reply is a tweet that is posted in response to another user's tweet. A reply tweet starts by mentioning the other user. For example, @michelleobama, you are always right! is a reply What to do Complete the function definitions for the four functions given in the table below. You MUST use the signature that is given in the table for each of the functions - DO NOT change the signature you will not be graded if you change the given signatures. Use the function design recipe that we e been learning in class. You must test these functions before submitting