| Other C Code Interview Questions |
| | | Question | Asked @ | Answers | | | | main()
{
char *cptr,c;
void *vptr,v;
c=10; v=0;
cptr=&c; vptr=&v;
printf("%c%v",c,v);
} | | 1 | | main()
{
printf("\nab");
printf("\bsi");
printf("\rha");
} | | 1 | | What is the output for the following program
main()
{
int arr2D[3][3];
printf("%d\n", ((arr2D==* arr2D)&&(* arr2D ==
arr2D[0])) );
} | | 1 | | main(){
int a= 0;int b = 20;char x =1;char y =10;
if(a,b,x,y)
printf("hello");
} | | 1 | | #define prod(a,b) a*b
main()
{
int x=3,y=4;
printf("%d",prod(x+2,y-1));
} | | 1 | | #define assert(cond) if(!(cond)) \
(fprintf(stderr, "assertion failed: %s, file %s,
line %d \n",#cond,\
__FILE__,__LINE__), abort())
void main()
{
int i = 10;
if(i==0)
assert(i < 100);
else
printf("This statement becomes else for if in
assert macro");
} | | 1 | | int aaa() {printf(“Hi”);}
int bbb(){printf(“hello”);}
iny ccc(){printf(“bye”);}
main()
{
int ( * ptr[3]) ();
ptr[0] = aaa;
ptr[1] = bbb;
ptr[2] =ccc;
ptr[2]();
} | | 1 | | #if something == 0
int some=0;
#endif
main()
{
int thing = 0;
printf("%d %d\n", some ,thing);
} | | 1 | | main()
{
register int a=2;
printf("Address of a = %d",&a);
printf("Value of a = %d",a);
} | | 1 | | What is the main difference between STRUCTURE and UNION? | | 7 | | Program to find the largest sum of contiguous integers in
the array. O(n) | | 7 | | How we will connect multiple client ? (without using
fork,thread) | TelDNA | 2 | | What is wrong with the following code?
int *foo()
{
int *s = malloc(sizeof(int)100);
assert(s != NULL);
return s;
} | | 1 | | #define max 5
#define int arr1[max]
main()
{
typedef char arr2[max];
arr1 list={0,1,2,3,4};
arr2 name="name";
printf("%d %s",list[0],name);
} | | 1 | | main()
{
struct student
{
char name[30];
struct date dob;
}stud;
struct date
{
int day,month,year;
};
scanf("%s%d%d%d", stud.rollno, &student.dob.day,
&student.dob.month, &student.dob.year);
} | | 1 | | What are segment and offset addresses? | Infosys | 1 | | main()
{
char s[ ]="man";
int i;
for(i=0;s[ i ];i++)
printf("\n%c%c%c%c",s[ i ],*(s+i),*(i+s),i[s]);
} | | 1 | | How to swap two variables, without using third variable ? | HCL | 48 | | Write, efficient code for extracting unique elements from
a sorted list of array.
e.g. (1, 1, 3, 3, 3, 5, 5, 5, 9, 9, 9, 9) -> (1, 3, 5, 9).
| Microsoft | 10 | | main()
{
char a[4]="HELL";
printf("%s",a);
} | Wipro | 1 | | | | For more C Code Interview Questions Click Here |
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