Say we have two compare two strings which of the following function/functions can you use?
i) strcmp()
ii) strcasecmp()
iii) strspn()
iv) strcspn()
a) i) and ii)
b) iii) and iv)
c) only i)
d) i), ii), iii) and iv)

Answer: d
Explanation: All of the functions mentioned above can be used to compare strings in some or the other way.