Standard Library Functions
practice.

Which of the following returns a signed integer type on finding the difference between two pointers to elements in the same array?

What will be the output of the following C code if the current system date is 6/22/2017?

#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main()
{
    time_t ct;
    time(&ct);
    struct tm *mt=localtime(&ct);
    printf("%d\n",mt-> tm_date);
}

What will be the output of the following C code?

#include <stddef.h>
int main(void)
{
    int num[10];
    int *p1=&num[14], *p2=&num[19];
    ptrdiff_t a = p1-p2;
    printf("%d", a);
}

What is "a" in the given C code?

size_t wcstombs(char *s, const wchar_t *a, size_t n)

Given that the value of SHRT_MAX is equal to 32767 and that of SHRT_MIN is equal to -32768, What will be the output of the following C code?

#include<stdio.h>
#include<limits.h>
main()
{
    int d;
    d=SHRT_MAX + SHRT_MIN+1;
    printf("%d",d);
}

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

What will be the output of the following C code?

double x=3,y= - 6;
printf("%lf %lf", fabs(x), fabs(y));

Which among the given macros is defined in the header file locale.h?

To find the maximum value of an object of type unsigned long long int, we use the macro . . . . . . . .

void free(void *ptr) deallocates the memory previously allocated by a call to . . . . . . . . , . . . . . . . . or . . . . . . . .

What is the meaning of the following C code if output is 0?

#include<stdio.h>
#include<time.h>
int main()
{
    struct tm *local;
    time_t t;
    t=time(NULL);
    local=localtime(&t);
    printf("%d",local->tm_isdst);
    return 0;
}

What is the purpose of the given C code?

#include <stdlib.h> 
_Mbsave _Mbxtowc = {0};  
int (mbtowc) (wchar_t *pwc, const char *a, size_t n) 
{
return (-Mbtowc (pwc, s, n, &-Mbxtowc) ) ;
}

What will the following C code do on compilation?

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

What error occurs if the magnitude of x is too large in sinh(double x)?

What will be the output of the following C code if the current system date is 6/22/2017?

#include<stdio.h>
#include<stdlib.h>
#include<time.h>
typedef struct tm tm;
int main()
{
    time_t ct;
    time(&ct);
    tm *mt=localtime(&ct);
    printf("%d\n",mt-> tm_year);
}

The cos function computes the cosine of x.

Which of the following format specifiers is used to represent the name of the time zone?

Which macro is used in the setlocale() function?

The value returned by the library function mktime(), on failure is . . . . . . . .

Which of the following functions decomposes the input string into three pans: an initial, possibly empty, sequence of white-space characters?