15.what is the disadvantage of using macros? 16.what is the self-referential structure? 17.can a union be self-referenced? 18.What is a pointer? 19.What is the Lvalue and Rvalue? 20.what is the difference between these initializations? 21.Char a[]=”string”; 22.Char *p=”literal”; 23.Does *p++ increment p, or what it points to?

1 Answers  

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Explain what is the difference between declaring a variable and defining a variable?

1 Answers  

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What is the right type to use for boolean values in c? Is there a standard type? Should I use #defines or enums for the true and false values?

0 Answers  

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Explain bitwise shift operators?

0 Answers  

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How can I read data from data files with particular formats?

0 Answers  

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what is the similarities between. system call and library function?

1 Answers   Wipro,

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find the output? void r(int a[],int c, int n) { if(c>n) { a[c]=a[c]+c; r(a,++c,n); r(a,++c,n); } } int main() { int i,a[5]={0}; r(a,0,5); for(i=0;i<5;i++) printf("\n %d",a[i]); getch(); }

0 Answers   Microsoft,

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Go through this linked list concept.While traversing through the singly linked list sometimes the following code snippet "while(head != NULL)" is used and other times "while(head->link != NULL)"is used(Here head is the pointer pointing to the first node,node has two parts data part and link part).What is the difference between head != NULL and Head->link != NULL and in which situation are they used?

1 Answers   Oracle,

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the output will be #include<stdio.h> int main () { int i; i = 9/2; printf("%i",i); return 0; }

4 Answers   CMC, TCS,

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program to find the roots of a quardratic equation

1 Answers  

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How do you use a pointer to a function?

0 Answers  

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What is external variable in c?

0 Answers  

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