Is printf keyword

== == What is printf in c or prototype of printf with example

(q) What is prototype of printf function ? Explain each term.

Ans: Prototype of printf function is :

int printf( const char *format ,…)

Explanation of each term :

Parameter of printf function is :

(three continuous dots) : It is called ellipsis. It indicates the variable number of

arguments.

Example of ellipsis:

#include

void ellipsis(int a,...);

void main()

{

int a=5,b=10;

clrscr();

ellipsis(a,b);

getch();

}

void ellipsis(int a,...)

{

printf("%d ",a);

}

Output:5

So printf function can have any number of variables as an argument.