Problem Specification: Members of a gym

a) Define an appropriate self-referential structure that contains at least 1 numeric, 1 character and 1 string data type.

b) Manage the selected data using a linked list. A data item should have a unique alpha-numeric identifier.

c) The use of the atoi()/atof() and gets() functions are strictly not allowed.

d) Achieve appropriate error checking and robustness by avoiding the use of the scanf() function. Instead, use fgets(), getchar, and strto() functions

e) Ensure to consider the user experience and use a looping technique and a case selection structure to control selection from the following menu:

1) Insert a data item in order

2) Remove a specific data item from the list

3) View a specific data item

4) Print a list of all the data items

5) Exit Application