Explain how can you determine the size of an allocated portion of memory?

0 Answers  

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Is there any demerits of using pointer?

0 Answers  

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what is the purpose of the following code, and is there any problem with the code? void fn(long* p1, long* p2) { register int x = *p1; register int y = *p2; x ^= y; y ^= x; x ^= y; *p1 = x; *p2 = y; }

1 Answers   Google,

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Explain the red-black trees?

0 Answers  

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send me the code of flow chart generator using C-programming language amd this code should calculate the time and space complexity of the given progran and able to generate flowchart according to the given program?

0 Answers   TCS,

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What is indirection? How many levels of pointers can you have?

0 Answers   Aspire, Infogain,

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What is huge pointer in c?

0 Answers  

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what is compiler

7 Answers  

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in one file global variable int i; is declared as static. In another file it is extern int i=100; Is this valid ?

2 Answers   NetApp,

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#include<stdio.h> int main(){ int i=10; int *ptr=&i; *ptr=(int *)20; printf("%d",i); return 0; } Output: 20 can anyone explain how came the output is 20

0 Answers  

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Which of the following about the C comments is incorrect ? a.commentscan go over multiple lines b.comments can start any where in the line c.a line can contain comments with out any language statements d.comments can occur within comments

6 Answers   TCS,

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Predict the output or error(s) for the following: 25. main() { printf("%p",main); }

3 Answers   Google, ME,

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