| Other C Code Interview Questions |
| | | Question | Asked @ | Answers | | | | 1. const char *a;
2. char* const a;
3. char const *a;
-Differentiate the above declarations. | | 2 | | int DIM(int array[])
{
return sizeof(array)/sizeof(int );
}
main()
{
int arr[10];
printf(The dimension of the array is %d, DIM(arr));
} | | 1 | | main()
{
char str1[] = {s,o,m,e};
char str2[] = {s,o,m,e,\0};
while (strcmp(str1,str2))
printf(Strings are not equal\n);
} | | 1 | | main()
{
int i=1;
while (i<=5)
{
printf("%d",i);
if (i>2)
goto here;
i++;
}
}
fun()
{
here:
printf("PP");
} | | 1 | | What are the following notations of defining functions known as?
i. int abc(int a,float b)
{
/* some code */
}
ii. int abc(a,b)
int a; float b;
{
/* some code*/
} | | 1 | | Declare an array of N pointers to functions returning
pointers to functions returning pointers to characters? | | 1 | | Is the following code legal?
struct a
{
int x;
struct a b;
} | | 1 | | What is the hidden bug with the following statement?
assert(val++ != 0); | | 1 | | main()
{
int x=5;
clrscr();
for(;x==0;x--) {
printf("x=%d\n", x--);
}
}
a. 4, 3, 2, 1, 0
b. 1, 2, 3, 4, 5
c. 0, 1, 2, 3, 4
d. none of the above | HCL | 1 | | struct point
{
int x;
int y;
};
struct point origin,*pp;
main()
{
pp=&origin;
printf("origin is(%d%d)\n",(*pp).x,(*pp).y);
printf("origin is (%d%d)\n",pp->x,pp->y);
} | | 1 | | main()
{
printf("%d, %d", sizeof('c'), sizeof(100));
}
a. 2, 2
b. 2, 100
c. 4, 100
d. 4, 4 | HCL | 3 | | main()
{
if ((1||0) && (0||1))
{
printf("OK I am done.");
}
else
{
printf("OK I am gone.");
}
}
a. OK I am done
b. OK I am gone
c. compile error
d. none of the above | HCL | 1 | | char inputString[100] = {0};
To get string input from the keyboard which one of the
following is better?
1) gets(inputString)
2) fgets(inputString, sizeof(inputString), fp) | | 1 | | Derive expression for converting RGB color parameters to
HSV values | | 1 | | #include"math.h"
void main()
{
printf("Hi everybody");
}
if <stdio.h> will be included then this program will must
compile, but as we know that when we include a header file
in "" then any system defined function find its defination
from all the directrives. So is this code of segment will
compile? If no then why? | | 2 | | main()
{
unsigned char i=0;
for(;i>=0;i++) ;
printf("%d\n",i);
} | | 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 | | Give a very good method to count the number of ones in a 32
bit number.
(caution: looping through testing each bit is not a solution) | Microsoft | 5 | | how to check whether a linked list is circular. | | 3 | | main()
{
int i =10, j = 20;
clrscr();
printf("%d, %d, ", j-- , --i);
printf("%d, %d ", j++ , ++i);
}
a. 20, 10, 20, 10
b. 20, 9, 20, 10
c. 20, 9, 19, 10
d. 19, 9, 20, 10 | HCL | 1 | | | | For more C Code Interview Questions Click Here |
|
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