Answer Posted / rajiv kumar koiri

#include<stdio.h>
#define decode(s,t,u,m,p,e,d) m##s##u##t
#define begin decode(a,n,i,m,a,t,e)

int begin()
{
printf("Hello");
}

#include int main(){ int i=10; int *ptr=&i; *ptr=(int *)20; printf("%d",i); return 0; } Output: 20 can anyone explain how came the output is 20

1724

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What are the uses of a pointer?

1151

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Explain the array representation of a binary tree in C.

1230

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How important is structure in life?

1087

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What is the ANSI C Standard?

1269

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Which of the following operators is incorrect and why? ( >=, <=, <>, ==)

1168

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What is main function in c?

1081

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What is assignment operator?

1059

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How do we open a binary file in Read/Write mode in C?

1240

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What is volatile variable in c?

1091

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What is a stream?

1141

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Draw a diagram showing how the operating system relates to users, application programs, and the computer hardware ?

2580

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List a few unconditional control statement in c.

988

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What is the use of define in c?

1064

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What is extern keyword in c?

1133

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