Question

which of the following function returns a pointer to the located string or a null pointer if string is not found.

(a) strtok()

(b) strstr()

(c) strspn()

(d) strrchr()

I got this question in my homework.

This intriguing question originated from String Operations in division String Operations in C of C

Answer 1

Right option is (b) strstr()

Easy explanation - The strstr() function is used to return a pointer to the located string, or if string is not found a null pointer is returned.