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lseek

Synopsis:
          long lseek (int fd, long offset, int flag);
     

Request:
Flseek,fd,offset,flag

flag is one of:

SEEK_SET
The offset is set to offset bytes.
SEEK_CUR
The offset is set to its current location plus offset bytes.
SEEK_END
The offset is set to the size of the file plus offset bytes.

Return value:
On success, the resulting unsigned offset in bytes from the beginning of the file is returned. Otherwise, a value of -1 is returned.
Errors:
EBADF
fd is not a valid open file descriptor.
ESPIPE
fd is associated with the gdb console.
EINVAL
flag is not a proper value.
EINTR
The call was interrupted by the user.