how to swap four numbers without using fifth variable?

2 Answers  

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Explain the bubble sort algorithm.

0 Answers  

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1.what are local and global variables? 2.what is the scope of static variables? 3.what is the difference between static and global variables? 4.what are volatile variables? 5.what is the use of 'auto' keyword? 6.how do we make a global variable accessible across files? Explain the extern keyword? 7.what is a function prototype? 8.what does keyword 'extern' mean in a function declaration?

2 Answers   nvidia,

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What is 'makefile' in C langauage? How it be useful? How to write a makefile to a particular program?

2 Answers  

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Why do we use pointer to pointer in c?

0 Answers  

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code for concatination of 2 strings with out using library functions?

3 Answers  

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Can we change the value of constant variable in c?

0 Answers  

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Why are some ANSI/ISO Standard library routines showing up as undefined, even though I've got an ANSI compiler?

0 Answers   Celstream,

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1. What will be the output of the following programs. a) #include <stdio.h> Main() { Int x=4; While(x==1) { X=x-1; Printf(“%d”,x); --x; } }

7 Answers   CSC,

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What are lookup tables in c?

0 Answers  

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What are different types of pointers?

0 Answers  

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Take an MxN matrice from user and then sum upper diagonal in a variable and lower diagonal in a separate variables. Print the result

0 Answers  

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