Question

The macro MB_LEN_MAX is used to find _________

(a) Maximum number of bytes in a multi-byte character

(b) Whether the given function is valid or not

(c) The maximum time taken for the execution of a particular function

(d) Maximum number of bits in a multi-byte character

This question was addressed to me during a job interview.

My question is based upon Implementation-Defined Limits in chapter C Library of C

Answer 1

Right option is (a) Maximum number of bytes in a multi-byte character

For explanation: The macro MB_LEN_MAX is defined under the header file limits.h and is used to find the maximum number of bytes in a multi-byte character.