API Version: 8.0
Library Version: 8.18
gint64 seek ( VipsSource* source, gint64 offset, int whence )
Move the file read position. You can’t call this after pixel decode starts. The arguments are exactly as lseek().
lseek()
offset
gint64
Seek by this offset.
whence
int
Seek relative to this point.
The new file position, or -1 on error.