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| ftell | See Also |
Syntax
position = ftell(fid)
Description
position = ftell(fid)
returns the location of the file position indicator for the file specified by fid, an integer file identifier obtained from fopen. The position is a nonnegative integer specified in bytes from the beginning of the file. A returned value of -1 for position indicates that the query was unsuccessful; use ferror to determine the nature of the error.
See Also
fclose, ferror, fopen, fprintf, fread, fscanf, fseek, fwrite