The following are two unsafe standard $C$ library functions.

gets $($char $*$str$)$

strcat $($char $*$dest$,$ char $*$ src$)$

a$)(5$ points$)$ Explore them using UNIX man pages or any other material on C programming

and explain why they are unsafe.

b$)(5$ points$)$ Find a safer alternative for each of them. Why are the suggested alternatives

safer? Provide justifications.