UNIX programming int Fstat (int fildes,struct stat *buf);

/*

* Fstat (Get file status from file descriptor)

* Correlation function Stat,lstat,chmod,chown,readlink,utime

* Table header File

* #include <sys/stat.h>

* #include <unistd.h>

* Define function

* int fstat (int fildes,struct stat *buf);

The * Function Description Fstat () is used to copy the file state of the parameter fildes to the structure referred to in the parameter buf (struct stat).

* Fstat () is exactly the same as stat (), except that the passed parameter is an open file descriptor.

* The return value performs successfully returns 0, the failure returns 1, and the error code is stored in errno.

*/

/* Example * *

#include <sys/stat.h>     
#include <unistd.h>     
#include <stdio.h>     
#include <sys/ types.h>      
#include <sys/stat.h>     
#include <fcntl.h>     
        
int main (int argc, char *argv)     
{     
    struct stat buf;     
    int FD;     
    FD = open ("/etc/passwd", o_rdonly);     
    Fstat (FD, &buf);     
    printf ("/etc/passwd File Size:%d\n", buf.st_size);     
    return 0;     
}

/* Execute/etc/passwd File size = 705 * *