Welcome to free() hell.
Enjoy!
Version: 12
The aim of this function is to get the next line for a given int fd (file descriptor). It means everything until \n or EOF(end of file).
char *get_next_line(int fd);If valid: char * pointing to the first char of the \0 terminated line string.
If not valid: NULL meaning wether there are no more lines or some error occurred.