Question

Which code from the given option return pointer to last occurrence of c in ch or NULL if not present?

(a) char *strchr(ch, c)

(b) char *strrchr(ch, c)

(c) char *strncat(ch, c)

(d) char *strcat(ch, c)

The question was posed to me in homework.

Query is from String Operations topic in division String Operations in C of C

Answer 1

Right option is (b) char *strrchr(ch, c)

For explanation: The function char *strrchr(ch, c)  returns pointer to last occurrence of c in ch or NULL if not present.