Why do we use main function?

0 Answers  

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Differentiate between declaring a variable and defining a variable?

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#include<stdio.h> 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

0 Answers  

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How would you use the functions fseek(), freed(), fwrite() and ftell()?

0 Answers   Aspire, Infogain, TISL,

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What are variables and it what way is it different from constants?

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Is c call by value?

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please give me answer with details #include<stdio.h> main() { int i=1; i=(++i)*(++i)*(++i); printf("%d",i); getch(); }

3 Answers  

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Q. where is the below variables stored ? - volatile, static, register

3 Answers   Bosch,

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we all know about the function overloading concept used in C++ and we all learnt abt that.... but that concept is already came in C in a very smaller propotion ... my question is IN WHICH CONCEPT THERE IS A USE OF FUNCTION OVERLOADING IS USED in C language?????????????

4 Answers   Google,

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Explain following declaration int *P(void); and int (*p)(char *a);

3 Answers  

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the real constant in c can be expressed in which of the following forms a) fractional form only b) exponential form only c) ascii form only d) both a and b

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main() { int a = 65; printf(“%d %o %x”,a,a,a); } Output 65 101 41 Please explain me.How it is coming like that?

3 Answers   Excel,

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