| Other C Code Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| String copy logic in one line. | NetApp | 9 |
| main(int argc, char **argv)
{
printf("enter the character");
getchar();
sum(argv[1],argv[2]);
}
sum(num1,num2)
int num1,num2;
{
return num1+num2;
} | | 1 |
| main()
{
{
unsigned int bit=256;
printf("%d", bit);
}
{
unsigned int bit=512;
printf("%d", bit);
}
}
a. 256, 256
b. 512, 512
c. 256, 512
d. Compile error | HCL | 1 |
| Given only putchar (no sprintf, itoa, etc.) write a routine
putlong that prints out an unsigned long in decimal. | | 5 |
| main()
{
int c = 5;
printf("%d", main||c);
}
a. 1
b. 5
c. 0
d. none of the above | HCL | 1 |
| main()
{
int i = 257;
int *iPtr = &i;
printf("%d %d", *((char*)iPtr), *((char*)iPtr+1) );
} | | 1 |
| Finding a number which was log of base 2 | NetApp | 1 |
| main()
{
printf("%x",-1<<4);
} | | 1 |
| What is the output for the program given below
typedef enum errorType{warning, error,
exception,}error;
main()
{
error g1;
g1=1;
printf("%d",g1);
} | | 1 |
| #include <stdio.h>
#define a 10
main()
{
#define a 50
printf("%d",a);
} | | 1 |
| main()
{
char *a = "Hello ";
char *b = "World";
clrscr();
printf("%s", strcat(a,b));
}
a. Hello
b. Hello World
c. HelloWorld
d. None of the above | HCL | 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 |
| main()
{
char *p;
printf("%d %d ",sizeof(*p),sizeof(p));
} | | 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 |
| main()
{
char name[10],s[12];
scanf(" \"%[^\"]\"",s);
}
How scanf will execute? | | 1 |
| main()
{
int a[10];
printf("%d",*a+1-*a+3);
} | | 1 |
| #include<stdio.h>
main()
{
struct xx
{
int x=3;
char name[]="hello";
};
struct xx *s=malloc(sizeof(struct xx));
printf("%d",s->x);
printf("%s",s->name);
} | | 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 |
| Printf can be implemented by using __________ list. | | 1 |
| print a semicolon using Cprogram without using a semicolon
any where in the C code in ur program!!
| Tata-Elxsi | 19 |
| |
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