Input and Output in C Language

STANDARD INPUT AND OUTPUT

printf()

Example 

#include <stdio.h>

Main()

{

   printf(" C Language");

};

Output : C Language

scanf()

EXAMPLE--

#include <stdio.h>

int main()

{

int test;

printf("enter an integer ");

scanf("%d", & test);

prinft(" number = %d", test);

return 0;

}

Output

Enter an integer 5

Number = 5

The scanf() function reads formatted input from the keyboard. When user enters an integer, it is stored in variable test. Note the '&' sign before test; gets the address of test and the value is stored in that address.