position = ftell(fid)
position = ftell(fid)
returns the location of the file position indicator in the specified file. position
is indicated in bytes from the beginning of the file. fid
is a integer file identifier obtained from fopen
.
The value of position is a nonnegative integer if the query is successful. If -1 is returned, it indicates that the query was unsuccessful; use ferror
to determine the nature of the error.
fopen
,fclose
,ferror
,fread
,fwrite
,fseek
,fprintf
,sprintf
,fscanf
,sscanf
(c) Copyright 1994 by The MathWorks, Inc.