$`$stat$()()\text{'}$ report the "kind" of file being queried. How is this

information used in $`$stat$\_$demo.c$\text{'}?$

$-()$ The field $`$sb$.$st$\_$filetype' is set to a string like "file" or

"pipe" to indicate the type of a file and that field can be printed

directly

$-()$ An integer passed in as an address to the call is set to the

type of the file

$-($X$)$ The kind is encoded in the $`$sb$.$st$\_$mode' field of the struct and

macros are used to distinguish the kind and print an appropriate

message.

$-()$ The kind is encoded in the $`$sb$.$st$\_$mode' field of the struct and

functions are used to distinguish the kind and print an appropriate

message.