05-13-2013
Sorry to confuse.. this mean these 5 fields can be there any where in file or are they first 5 fields of file?
Could you please post some sample data?
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LEARN ABOUT DEBIAN
gd_frameoffset
gd_frameoffset(3) GETDATA gd_frameoffset(3)
NAME
gd_frameoffset -- report the starting frame of fields in a dirfile
SYNOPSIS
#include <getdata.h>
off_t gd_frameoffset(DIRFILE *dirfile, int fragment_index);
DESCRIPTION
The gd_frameoffset() function queries a dirfile(5) database specified by dirfile and returns the frame offset (see dirfile-format(5)) for
the fragment indexed by fragment_index. The frame offset of a fragment indicate the frame number of the first sample of data stored in bi-
nary files associated with RAW fields defined in the specified fragment. The frame offset of a fragment containing no RAW fields is ig-
nored.
The dirfile argument must point to a valid DIRFILE object previously created by a call to gd_open(3).
RETURN VALUE
Upon successful completion, gd_frameoffset() returns the frame offset of the specified fragment. On error, it returns -1 and sets the
dirfile error to a non-zero error value. Possible error values are:
GD_E_BAD_DIRFILE
The supplied dirfile was invalid.
GD_E_BAD_INDEX
The supplied index was out of range.
The dirfile error may be retrieved by calling gd_error(3). A descriptive error string for the last error encountered can be obtained from
a call to gd_error_string(3).
SEE ALSO
gd_alter_frameoffset(3), gd_open(3), gd_error(3), gd_error_string(3), dirfile(5), dirfile-format(5)
Version 0.7.0 15 July 2010 gd_frameoffset(3)