| 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 | | main( )
{
void *vp;
char ch = g, *cp = goofy;
int j = 20;
vp = &ch;
printf(%c, *(char *)vp);
vp = &j;
printf(%d,*(int *)vp);
vp = cp;
printf(%s,(char *)vp + 3);
} | | 1 | | main()
{
extern i;
printf("%d\n",i);
{
int i=20;
printf("%d\n",i);
}
} | | 1 | | #include<stdio.h>
main()
{
register i=5;
char j[]= "hello";
printf("%s %d",j,i);
} | | 1 | | Give a one-line C expression to test whether a number is a
power of 2. | Microsoft | 8 | | program to find magic aquare using array | HCL | 3 | | main()
{
int c = 5;
printf("%d", main||c);
}
a. 1
b. 5
c. 0
d. none of the above | HCL | 1 | | main()
{
int a=10,*j;
void *k;
j=k=&a;
j++;
k++;
printf("\n %u %u ",j,k);
} | | 1 | | main( )
{
static int a[ ] = {0,1,2,3,4};
int *p[ ] = {a,a+1,a+2,a+3,a+4};
int **ptr = p;
ptr++;
printf(\n %d %d %d, ptr-p, *ptr-a, **ptr);
*ptr++;
printf(\n %d %d %d, ptr-p, *ptr-a, **ptr);
*++ptr;
printf(\n %d %d %d, ptr-p, *ptr-a, **ptr);
++*ptr;
printf(\n %d %d %d, ptr-p, *ptr-a, **ptr);
} | | 1 | | Is the following code legal?
void main()
{
typedef struct a aType;
aType someVariable;
struct a
{
int x;
aType *b;
};
} | | 1 | | Write a program that find and print how many odd numbers in
a binary tree | | 1 | | main()
{
int x=5;
for(;x!=0;x--) {
printf("x=%d\n", x--);
}
}
a. 5, 4, 3, 2,1
b. 4, 3, 2, 1, 0
c. 5, 3, 1
d. none of the above | HCL | 1 | | main()
{
char string[]="Hello World";
display(string);
}
void display(char *string)
{
printf("%s",string);
} | | 1 | | #define prod(a,b) a*b
main()
{
int x=3,y=4;
printf("%d",prod(x+2,y-1));
} | | 1 | | main()
{
char p[ ]="%d\n";
p[1] = 'c';
printf(p,65);
} | | 1 | | typedef struct error{int warning, error, exception;}error;
main()
{
error g1;
g1.error =1;
printf("%d",g1.error);
} | | 1 | | Link list in reverse order. | NetApp | 7 | | void main()
{
int i=10, j=2;
int *ip= &i, *jp = &j;
int k = *ip/*jp;
printf(%d,k);
} | | 1 | | enum colors {BLACK,BLUE,GREEN}
main()
{
printf("%d..%d..%d",BLACK,BLUE,GREEN);
return(1);
} | | 1 | | main()
{
int c[ ]={2.8,3.4,4,6.7,5};
int j,*p=c,*q=c;
for(j=0;j<5;j++) {
printf(" %d ",*c);
++q; }
for(j=0;j<5;j++){
printf(" %d ",*p);
++p; }
} | | 1 | | | | For more C Code Interview Questions Click Here |
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