For what purpose null pointer used?

0 Answers  

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write a program in reverse the string without using pointer,array,global variable declaration,lib fun only using a function?

5 Answers   HCL,

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How is null defined in c?

0 Answers  

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In the DOS enveronment, normal RAM that resides beyond the 1mb mark. a) expanded memory b) swapped memory c) Extended memory d) none

0 Answers  

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main() { int a,b; printf("%d,%d",scanf("%d%d",&a,&b)); } => do u mean above program's output... =>output will be:2,whatever you enter value for b. =>because scanf is a library fn which will return how many arguements it processes, and second value you are right mr.Satya but i found my self unable to understand that for the first time scanf returns the no of successful matches but how for the second time it returns the value of 'b'.while a function should return the same 'r' value every time.

1 Answers   Cisco,

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What will be the result of the following program? main() { char p[]="String"; int x=0; if(p=="String") { printf("Pass 1"); if(p[sizeof(p)-2]=='g') printf("Pass 2"); else printf("Fail 2"); } else { printf("Fail 1"); if(p[sizeof(p)-2]=='g') printf("Pass 2"); else printf("Fail 2"); } } a) Pass 1, Pass 2 b) Fail 1, Fail 2 c) Pass 1, Fail 2 d) Fail 1, Pass 2 e) syntax error during compilation

10 Answers   IBM,

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Is a house a shell structure?

0 Answers  

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#include<stdio.h> int main(){ int a[]={1,2,3,5,1}; int *ptr=a+4; int y=ptr-a; printf("%d",y); }

3 Answers   Zoho,

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Which is the best sort method for library management?

1 Answers   Microsoft,

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Given a piece of code int x[10]; int *ab; ab=x; To access the 6th element of the array which of the following is incorrect? (A) *(x+5) (B) x[5] (C) ab[5] (D) *(*ab+5} .

2 Answers   Oracle,

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How can I copy just a portion of a string?

0 Answers  

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Do you know what is the purpose of 'extern' keyword in a function declaration?

0 Answers  

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