Answer / xsoft

null this is a key word in C language but the nul this
keyword used in dos Programming as you can you use it in C
programming with the function system("dir ./a>nul");
then when can consider this nul as an output.

Answer / amar singh rajput

NULL is an pointer with value zero (0) ,and NUL is an character with integer value 0 (zero) .

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What is a example of a variable?

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where does malloc() function get the memory?

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