| Other C Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| What is the difference b/w main() in C language and main()
in C++. | | 6 |
| when will be evaluated as true/
if(x==x==x)
a) x=1;
b) x=0;
c) x=-1;
d) none | HCL | 4 |
| How do I declare a pointer to an array? | | 5 |
| #define swap1(a,b) a=a+b;b=a-b;a=a-b;
main()
{
int x=5,y=10;
swap1(x,y);
printf("%d %d\n",x,y);
swap2(x,y);
printf("%d %d\n",x,y);
}
int swap2(int a,int b)
{
int temp;
temp=a;
b=a;
a=temp;
return;
}
what are the outputs? | Ramco | 4 |
| can we print any string without using terminator? | Infosys | 2 |
| to find out the reverse digit of a given number | Infosys | 5 |
| Program to write some contents into a file using file
operations with proper error messages. | | 1 |
| What is C language Terminator? | TCS | 12 |
| Why data types in all programming languages have some range?
Why ritche have disigned first time likethat?Why not a
single data type can support all other types? | Excel | 1 |
| f(*p)
{
p=(char *)malloc(6);
p="hello";
return;
}
main()
{
char *p="bye";
f(p);
printf("%s",p);
}
what is the o/p?
| Hughes | 4 |
| Write a program that accepts a string where multiple spaces
are given in between the words. Print the string ignoring
the multiple spaces.
Example:
Input: “ We.....Are....Student “ Note: one .=1 Space
Output: "We Are Student" | IBM | 4 |
| What's a "sequence point"? | | 2 |
| Write a C++ program without using any loop (if, for, while
etc) to print numbers from 1 to 100 and 100 to 1;
| | 7 |
| Which of the Following is not defined in string.h?
A)strspn()
B)strerror()
C)memchr()
D)strod()
| Accenture | 1 |
| suppose we use switch statement and we intilize years name
using enum statement like(jan,feb,mar,------dec) we take
integer value as an input .question is that the month which
we analyz is from 0 to 11 bt if i enter 12 than how he
again starts from begning and print jan | | 1 |
| what is the use of #pragma pack, wer it is used? | Wipro | 1 |
| main()
{
char *ptr = "Ramco Systems";
(*ptr)++;
printf("%s\n",ptr);
ptr++;
printf("%s\n",ptr);
}
Find the Outputs? | CitiGroup | 7 |
| what's the o/p
int main(int n, char *argv[])
{
char *s= *++argv;
puts(s);
exit(0);
}
| Motorola | 1 |
| how can i get output like this?
1
2 3
4 5 6 | Excel | 3 |
| which operator having highest precedence?
a.)+ b.)++ c.)= d.)%
| | 3 |
| |
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