| Other C Code Interview Questions |
| | | Question | Asked @ | Answers | | | | #include<stdio.h>
main()
{
FILE *ptr;
char i;
ptr=fopen("zzz.c","r");
while((i=fgetch(ptr))!=EOF)
printf("%c",i);
} | | 1 | | Given an array of size N in which every number is between 1
and N, determine if there are any duplicates in it. You are
allowed to destroy the array if you like. | Microsoft | 15 | | void pascal f(int i,int j,int k)
{
printf(“%d %d %d”,i, j, k);
}
void cdecl f(int i,int j,int k)
{
printf(“%d %d %d”,i, j, k);
}
main()
{
int i=10;
f(i++,i++,i++);
printf(" %d\n",i);
i=10;
f(i++,i++,i++);
printf(" %d",i);
} | | 1 | | What is "far" and "near" pointers in "c"...? | | 3 | | Write a procedure to implement highlight as a blinking
operation | | 1 | | int swap(int *a,int *b)
{
*a=*a+*b;*b=*a-*b;*a=*a-*b;
}
main()
{
int x=10,y=20;
swap(&x,&y);
printf("x= %d y = %d\n",x,y);
} | | 1 | | main(){
int a= 0;int b = 20;char x =1;char y =10;
if(a,b,x,y)
printf("hello");
} | | 1 | | main ( )
{
static char *s[ ] = {“black”, “white”, “yellow”,
“violet”};
char **ptr[ ] = {s+3, s+2, s+1, s}, ***p;
p = ptr;
**++p;
printf(“%s”,*--*++p + 3);
} | | 1 | | How to read a directory in a C program?
| | 4 | | main()
{
int i;
clrscr();
for(i=0;i<5;i++)
{
printf("%d\n", 1L << i);
}
}
a. 5, 4, 3, 2, 1
b. 0, 1, 2, 3, 4
c. 0, 1, 2, 4, 8
d. 1, 2, 4, 8, 16 | HCL | 1 | | void main()
{
int i=5;
printf("%d",i+++++i);
} | | 1 | | main()
{
int a=10,*j;
void *k;
j=k=&a;
j++;
k++;
printf("\n %u %u ",j,k);
} | | 1 | | void main()
{
printf(“sizeof (void *) = %d \n“, sizeof( void *));
printf(“sizeof (int *) = %d \n”, sizeof(int *));
printf(“sizeof (double *) = %d \n”, sizeof(double *));
printf(“sizeof(struct unknown *) = %d \n”, sizeof(struct
unknown *));
} | | 1 | | Link list in reverse order. | NetApp | 7 | | Is the following code legal?
typedef struct a aType;
struct a
{
int x;
aType *b;
}; | | 1 | | int i;
main(){
int t;
for ( t=4;scanf("%d",&i)-t;printf("%d\n",i))
printf("%d--",t--);
}
// If the inputs are 0,1,2,3 find the o/p | | 1 | | main()
{
int a[10];
printf("%d",*a+1-*a+3);
} | | 1 | | How will u find whether a linked list has a loop or not? | Microsoft | 6 | | main()
{
int i=_l_abc(10);
printf("%d\n",--i);
}
int _l_abc(int i)
{
return(i++);
} | | 1 | | Is there any difference between the two declarations,
1. int foo(int *arr[]) and
2. int foo(int *arr[2]) | | 1 | | | | For more C Code Interview Questions Click Here |
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