What is putw() function?

• It is used to writes a integer to a file.
• It write only one value at a time.
• It is integer oriented function.
• It is similar to putc().
• It deals with only integer data.

Ex:

     while(( n = getw (fp)) != EOF )

     {

           if ( n % 2 == 0 )

                putw ( n, fp2 );

           else

                putw ( n, fp3 );

     }