Answer / rusmguys

# is preprocessor which tell compiler that what header
file we using in our program.
for example:
#include<stdio.h>
void main()
in the above when compiler check program it start execution
of program from main and will tell that uor header file
is "standard input output header file"

Answer / saurabh chakrabarty

# is used in c to write preprocessor statements (i.e. macros)

these statements are called preprocessor statements as these
statements are processed prior to the compilation of the
rest of the code by the compiler

Answer / sujith

Another use is for token pasting if used as ##

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0 Answers  

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O,T,T,F,F,S,S,E,N,?,?,?,T,F,F,S,S,E,N

9 Answers   ADP,

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7 Answers   Geometric Software,

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What is putchar() function?

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Tell us bitwise shift operators?

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3 Answers  

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4 Answers   NIIT,

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1 Answers   IBM,

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0 Answers   Amazon,

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write a program for fibonaci series by using while loop in c?

2 Answers  

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