Standard Library Functions MCQs

Select the function that reads or sets location dependent information.

How many times does the function longjmp() returns?

What will be the output of the following C code?

double x, deg, rad;
x = 1.0;
val = 180.0 / 3.14;
deg = atan (x) * val;
printf("The arc tangent of %lf is %lf degrees", x, deg);

What will be the output of the following C code?

#include <assert.h> 
#include <stdio.h>  
void main() 
{ 
   int n=11; 
   char str[50]="program";
   assert(n >= 10); 
   printf(" output: %d\n", n); 
   assert(str != NULL); 
   printf("output: %s\n", str); 
}

The macro . . . . . . . . defines the number of bits in a byte, which is equal to . . . . . . . .

The abs() function computes the absolute value . . . . . . . .

Which of the following is the correct description of the macro SIGFPE?