Answer / rekha_sri

* A variable should be declared volatile whenever its value
could change unexpectedly.

* A volatile qualifier must be used when reading the contents
of a memory location whose value can change unknown to the
current program.

* A volatile qualifier must be used for shared data modified
in signal handlers or interrupt service routines.

#include<stdio.h> void main() { char *str; long unsigned int add; str="Hello C"; add=&str[0]; printf("%c",add); } What is the output?

4 Answers   Infosys,

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Write a function which takes as parameters one regular expression(only ? and * are the special characters) and a string and returns whether the string matched the regular expression.

0 Answers   Amazon,

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Why do we use stdio h and conio h?

0 Answers  

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f(char *p) { p=(char *)malloc(sizeof(6)); strcpy(p,"HELLO"); } main() { char *p="BYE"; f(p) printf("%s",p); } what is the output?

9 Answers   Hughes, Tech Mahindra,

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Which operators cannot be overloaded a) Sizeof b) .* c) :: d) all of the above

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Explain what are bus errors, memory faults, and core dumps?

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The code is::::: if(condition) Printf("Hello"); Else Printf("World"); What will be the condition in if in such a way that both Hello and world are printed in a single attempt?????? Single Attempt in the sense... It must first print "Hello" and it Must go to else part and print "World"..... No loops, Recursion are allowed........................

14 Answers   HOV Services, IBM, Potty,

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main() { int x=2, y=4 if ((x==2||y==4) x++ y++ if (y==4+1) { x=x+y; } y++; printf("The values of x and y are %d and %d."x,y); } What is the output?

5 Answers   TCS,

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What is the difference between text and binary i/o?

0 Answers  

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int main() { int i=-1,j=-1;k=0,l=2,m; m=i++&&j++&&k++||l++; printf("%d%d%d%d%d",i,j,k,l,m); }

3 Answers   HCL,

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How to implement call back functions ?

3 Answers   HP,

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How can you return multiple values from a function?

0 Answers  

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