> Hi, there!
 > Can anyone explain me, how and why sometimes in API's
 > or userdefined functions, we use to declare (store) a
 > character in an int datatype, or in other words ,
 > store a char variable in an int storage ?? Many C
 > API's like int getc(FILE *fp) , int putc(int c, FILE
 > *fp)..... uses this concept, as return type of getc is
 > char as explained in books(K&R) but declared as int ,
 > again the param c in putc is char but defined as int..
 > Can't we declare them as char instead of int ? How and
 > why is this ?? Any one Please expalin me or point me
 > to good references.

    One reason is that the EOF character is (int) -1. Try putting that into
a char sized storage space, and all the functions that depend on it being
an int won't work.

Best Wishes,
Bill.

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