Answer / vignesh1988i

1)printf() is a built in library function which is defined
in <stdio.h> header file...
2) in printf(); function we can pass
1) entire string within "...." like :
eg: printf("my name is vignesh");

2) string with list of variables like :
eg: printf("%d%d" , i,j);
| |
first second
argument argument

3) like every function returns a value , PRINTF returns the
no. of characters which is inside "...".
eg: printf("%d",printf("hai how are u?"));
the output will be 14.....

4) printf() function is having direct contact with VDU
(video display unit) in the system..... so only it is
displayin every thing in the screen...........

thank u

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