Explore topic-wise MCQs in Library Functions.

Select the macro that affects the information provided by localeconv function.

What error occurs if an input argument is outside the domain over which the mathematical function is de ned?

Which of the following library functions returns the time in UTC (Greenwich mean time) format?

The _______ macro shall be invoked before any access to the unnamed arguments.

How many macros are defined in the header file stdarg.h?

In the c library function void (*signal(int sig, void (*func)(int)))(int), which statement is true with respect to func?

Which function returns a pseudo-random integer?

Choose the right declaration of longjmp() function.

The _______ function sorts an array of objects

The macros defined under the header file limits.h are not defined under any other header file.

What does raise functions declared in signal.h do?

Which function will return the quotient and remainder on division of numerator with denominator?

Which macro is used in the setlocale() function?

The macro MB_LEN_MAX is used to find _________

A type whose alignment requirement is at least as large as that of every data type:

The macro definition of INT_MIN is ____________

Which of the following functions returns a pointer to a string representing the date and time stored in a structure?

Which function is used to recombine the fraction and exponent parts of a floating-point value after you have worked on them separately?

Which of the following library functions is used to read location dependent information?

HUGE_VAL macro is used when the output of the function may not be ___________

Which macro can be used to detect and report exceptional conditions?

The number of bytes contained in the multibyte character pointed to by a character is ___________

The assert macro returns__________value.

Which of the given function differs from the statement'errno is not neccessarily set on conversion error'?

If the result overflows, the function returns the value of the macro HUGE_VAL, carrying the same sign except for the_________ function as the correct value of the function.

The macro which is used to find the maximum value of an unsigned integer is _________

What is returned by the function localeconv()?

If the result underflow, the function returns zero.

sqrt(x) function is not faster than the apparent equivalent pow(x,0.5).

Which of the given option is declared under the header file stdlib.h?

void free(void *p) performs which of the following functions?

Which statement is true with respect to RAND_MAX?

Initial seed is ________ for the function srand(unsigned int seed).

What will the following C code do on compilation?

 void main () { char com[50]; strcpy( com, "dir" ); system(com); }

Point out the error in the following program.

 #include int main() { fprintf("IndiaBIX"); printf("%.ef", 2.0); return 0; }

Point out the error in the following program.

 #include #include int main() { char str1[] = "Learn through IndiaBIX 0.com", str2[120]; char *p; p = (char*) memccpy(str2, str1, 'i', strlen(str1)); *p = ' 0'; printf("%s", str2); return 0; }

Can you use the fprintf() to display the output on the screen?

What is the purpose of fflush() function.

Does there any function exist to convert the int or float to a string?

What will be the output of the program?

 #include int main() { int i; i = printf("How r u n"); i = printf("%d n", i); printf("%d n", i); return 0; }

What will the function randomize() do in Turbo C under DOS?

Which of the given statement is true with respect to the function atexit()?

size_t is of ______________ type.

Which of the following macros is defined under the header limits.h?

Which statement is true regarding abs() and labs()?

A non-zero value is returned, if setjmp() returns from a longjmp() function call.

Which of the given options is an array type used for holding information?

Which of the following macros is not defined?

Point out the error in the following program.

 #include int main() { fprintf("Compscibits"); printf("%.ef", 2.0); return 0; }

_______variable type defined in the header stdlib.h is an integer type of the size of a wide character constant.