File Input Output - Study Mode
[#66] The functions vprintf(), vfprintf(), and vsprintf() are not equivalent to the corresponding printf() functions except the variable argument list.
Correct Answer
(B) false
[#67] Which is true about isalnum(c), where c is an int that can be represented as an unsigned? char or EOF.isalnum(c) returns
Correct Answer
(C) Both Non-zero if isalpha(c) or isdigit(c) & 0 if not isalpha(c) or not isdigit(c)
[#68] What type of return-type used in String operations?
Correct Answer
(D) void, int and (char *) only
[#69] The function . . . . . . . . obtains a block of memory dynamically.
Correct Answer
(C) both calloc & malloc
[#70] What happens when we use the following C statement?
Correct Answer
(A) The diagnostic output is directly displayed in the output