What is difference between static and global variable in c?

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A function can make the value of a variable available to another by a) declaring the variable as global variable b) Passing the variable as a parameter to the second function c) Either of the two methods in (A) and (B) d) binary stream

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What do you understand by normalization of pointers?

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Is anything faster than c?

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What is a double c?

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c program to subtract between two numbers without using '-' sign and subtract function.

2 Answers  

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What is the use of sizeof () in c?

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How can I invoke another program (a standalone executable, or an operating system command) from within a c program?

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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

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program to print upper & lower triangle of a matrix

2 Answers   TCS,

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implement OR gate without using any bitwise operator.

1 Answers   Alcatel, Wipro,

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main() { printf("\n %d %d %d",sizeof('3'),sizeof("3"),sizeof(3)); }

6 Answers  

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