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Standard Library Functions - C Programming MCQ Questions and Answers

Learn competitive and Technical Aptitude C programming mcq questions and answers on Standard Library Functions with easy and logical explanations. Page-5 section-1

Each section contains 100 MCQs on Standard Library Functions .
41
Which of the given function is used for searching?
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Answer & Solution
Answer: Option B
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42
The library function clock() returns the number of . . . . . . . . elapsed since the start of the program.
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Answer & Solution
Answer: Option B
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43
Which of the given C function can be used instead of the apparent identity pointed to by y?
int x=1; 
double y= 0.5 * (exp (x) + exp (-x));
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Answer & Solution
Answer: Option B
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44
Select the right statement with reference to malloc() and calloc().
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Answer & Solution
Answer: Option A
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45
Which is the correct declaration of macro assert?
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Answer & Solution
Answer: Option A
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46
Which line from the given code is the passive form?
#undef assert 
#ifdef NDEBUG 
#define assert (test) ( (void) 0) 
#else 
#define assert (test)  
#endif
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Answer & Solution
Answer: Option B
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47
. . . . . . . . defines the minimum value for a short integer.
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Answer: Option B
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48
The . . . . . . . . function converts the initial portion of the string pointed to by, to int representation.
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Answer: Option B
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49
The ldexp() function multiplies a floating-point number by an integral power of 2.
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Answer & Solution
Answer: Option A
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50
setjmp takes a jmp_buf type and different other type variables as input.
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Answer & Solution
Answer: Option B
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