filelength()             Return File Length
 
 #include   <io.h>                       Required for declarations only
 
 long       filelength(handle);
 int        handle;                      Handle referring to open file
 
    filelength() returns the length, in bytes, of the file associated
    with 'handle'.
 
    Returns:    The file length in bytes if successful,  or -1L if the
                file handle is invalid.
 
  -------------------------------- Example ---------------------------------
 
    The following statements open a file and find its length.
 
         #include <io.h>
         #include <stdio.h>
         #include <stdlib.h>
 
         FILE *in;
         int length;
 
         main()
         {
               in = fopen("invoice.dat","r");
               .
               .
               length = filelength(fileno(in));
          }

Seealso:


 fileno() 
 fstat() 
 stat()