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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-8 section-1

Each section contains 100 MCQs on Standard Library Functions .
71
What will be the output of the following C code, if the system date is 6/24/2017?
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main()
{
    time_t ct;
    time(&ct);
    printf("%s\n",(&ct));
}
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Answer & Solution
Answer: Option B
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72
The macro which is used to find the maximum value of an unsigned integer is . . . . . . . .
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Answer & Solution
Answer: Option C
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73
Which of the given statement is not true with respect to void longjmp( jmp-buf env, int val)?
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Answer & Solution
Answer: Option B
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74
void free(void *p) performs which of the following functions?
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Answer & Solution
Answer: Option B
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75
atol(const char *str) Converts the string pointed to, by the argument str.
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Answer & Solution
Answer: Option A
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76
How many macros are defined in the header file stdarg.h?
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Answer & Solution
Answer: Option C
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77
The pointer used in the mblen() function points to the . . . . . . . .
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Answer & Solution
Answer: Option A
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78
What is the role of the given C function?
void va_end(va_list ap)
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Answer & Solution
Answer: Option A
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79
The . . . . . . . . macro shall be invoked before any access to the unnamed arguments.
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Answer & Solution
Answer: Option D
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80
Correct code to turn assertions OFF at various places throughout a source file is . . . . . . . .
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Answer & Solution
Answer: Option B
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