Arrays And Strings - Study Mode

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[#76] No library function will store a zero in errno.

(A) true

(B) false

Correct Answer

(A) true

[#77] The . . . . . . . . function tests for any hexadecimal-digit character.

(A) iscntrl()

(B) ispunct()

(C) isgraph()

(D) isxdigit()

Correct Answer

(D) isxdigit()

[#78] Which of the given function is used to return a pointer to the located character?

(A) strrchr()

(B) strxfrm()

(C) memchar()

(D) strchar()

Correct Answer

(D) strchar()

[#79] Which function returns true only for the characters defined as lowercase letters?

(A) islow()

(B) islower()

(C) isalpa()

(D) isalnum()

Correct Answer

(B) islower()

[#80] The . . . . . . . . function returns the number of characters that are present before the terminating null character.

(A) strlength()

(B) strlen()

(C) strlent()

(D) strchr()

Correct Answer

(B) strlen()