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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-9 section-2

Each section contains 100 MCQs on Standard Library Functions .
81
Which of the given structure is returned by the function ldiv()?
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Answer & Solution
Answer: Option B
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82
If NDEBUG is defined as a macro name, at the point where <assert.h> is included, then assert macro is defined as #define assert(ignore) ((void)0).
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Answer: Option A
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83
Choose the right declaration of longjmp() function.
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Answer: Option A
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84
Which of the given function converts the string pointed to, by the argument str to a floating-point number?
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Answer: Option A
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85
What will the following C statement do?
#include < setjmp.h >
int setjmp(jmp_buf env);
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Answer & Solution
Answer: Option A
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86
Select the multibyte character function defined under the header file stdlib.h.
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Answer: Option D
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87
When we use multiple alignas specifiers in the same declaration, the . . . . . . . . one is used.
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Answer & Solution
Answer: Option B
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88
The . . . . . . . . function sorts an array of objects.
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Answer: Option D
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89
The system() function passes the string pointed to by string to the host environment to be executed by a command processor in an implementation-defined manner.
int system(const char *string);
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Answer: Option A
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90
For the given math function, an error occurs if the arguments are not in the range [-1, +1].
double acos(double x);
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Answer: Option B
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