Answer Posted / vignesh1988i

printf();
printf is an in built function which is used as a output
statement........
SYNTAX:
printf("format string ",<list of variables>);
whenever we want to display messages to the user at run time
as well as the output we use printf statement.....

scanf();
this is the input statement... whenever we want to perform
some task using a system we must give input to it... in C
this is done using scanf() function.....
SYNTAX:
scanf("format string",<&variables>);

FORMAT SPECIFERS:
%d is used to print only integer constant formatted output
%f is used to print only real constant numbers output
%c is used to print only a character constant output

these format specifers and all will be stored in the LOOK UP
table in the compailer... when these dosen't match wit that
table . it gives a error


thank you

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