Answer / guest

alloca() allocates memory which is automatically freed when
the function which called alloca() returns. alloca() cannot
be written portably, is difficult to implement on machines
without a stack, and fails under certain conditions if
implemented simply.

illustrate the use of address operator and dereferencing operator with the help of a program guys plzzz help for this question

0 Answers  

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what are the languages used in c#?

3 Answers   Infosys,

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18)struct base {int a,b; base(); int virtual function1(); } struct derv1:base{ int b,c,d; derv1() int virtual function1(); } struct derv2 : base {int a,e; } base::base() { a=2;b=3; } derv1::derv1(){ b=5; c=10;d=11;} base::function1() {return(100); } derv1::function1() { return(200); } main() base ba; derv1 d1,d2; printf("%d %d",d1.a,d1.b) o/p is a)a=2;b=3; b)a=3; b=2; c)a=5; b=10; d)none 19) for the above program answer the following q's main() base da; derv1 d1; derv2 d2; printf("%d %d %d",da.function1(),d1.function1(),d2.function1 ()); o/p is a)100,200,200; b)200,100,200; c)200,200,100; d)none 20)struct { int x; int y; }abc; you can not access x by the following 1)abc-->x; 2)abc[0]-->x; abc.x; (abc)-->x; a)1,2,3 b)2&3 c)1&2 d)1,3,4

1 Answers  

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How does placing some code lines between the comment symbol help in debugging the code?

0 Answers  

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What is the difference between ++a and a++?

0 Answers  

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What’s the special use of UNIONS?

0 Answers   ADP,

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Write a program in c using only loops to print * * * * * *******

2 Answers   IBM,

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What is the difference between procedural and declarative language?

0 Answers  

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char S; char S[6]= " HELLO"; printf("%s ",S[6]); output of the above program ? (0, ASCII 0, I,unpredictable)

7 Answers   Mascot,

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What is the scope of static variables?

1 Answers  

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An organised method of depicting the use of an area of computer memory used to signify the uses for different parts of the memory a) swap b) extended memory c) memory map d) all of the above

0 Answers  

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Write a program to swap two numbers without using the third variable?

0 Answers  

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