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.TH "MONGOC_GRIDFS_FILE_SEEK" "3" "May 07, 2024" "1.27.1" "libmongoc"
.SH SYNOPSIS
.INDENT 0.0
.INDENT 3.5
.sp
.EX
int
mongoc_gridfs_file_seek (mongoc_gridfs_file_t *file, int64_t delta, int whence);
.EE
.UNINDENT
.UNINDENT
.SH PARAMETERS
.INDENT 0.0
.IP \(bu 2
\fBfile\fP: A \fI\%mongoc_gridfs_file_t\fP\&.
.IP \(bu 2
\fBdelta\fP: The amount to move the file position. May be positive or negative.
.IP \(bu 2
\fBwhence\fP: One of SEEK_SET, SEEK_CUR or SEEK_END.
.UNINDENT
.SH DESCRIPTION
.sp
Adjust the file position pointer in the given file by \fBdelta\fP, starting from the position \fBwhence\fP\&. The \fBwhence\fP argument is interpreted as in \fBfseek(2)\fP:
.TS
center;
|l|l|.
_
T{
\fBSEEK_SET\fP
T}	T{
Set the position relative to the start of the file.
T}
_
T{
\fBSEEK_CUR\fP
T}	T{
Move \fBdelta\fP relative to the current file position.
T}
_
T{
\fBSEEK_END\fP
T}	T{
Move \fBdelta\fP relative to the end of the file.
T}
_
.TE
.sp
On success, the file\(aqs underlying position pointer is set appropriately. On failure, the file position is NOT changed and errno is set to indicate the error.
.SH ERRORS
.TS
center;
|l|l|.
_
T{
\fBEINVAL\fP
T}	T{
\fBwhence\fP is not one of SEEK_SET, SEEK_CUR or SEEK_END.
T}
_
T{
\fBEINVAL\fP
T}	T{
The resulting file position would be negative.
T}
_
.TE
.SH RETURNS
.sp
Returns 0 if successful; otherwise \-1 and errno is set.
.SH AUTHOR
MongoDB, Inc
.SH COPYRIGHT
2017-present, MongoDB, Inc
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