Calls $(CSTDIO fseek) for the file handle to move its position indicator.
Binary files: Number of bytes to offset from origin. Text files: Either zero, or a value returned by tell.
Binary files: Position used as reference for the offset, must be one of SEEK_SET, SEEK_CUR or SEEK_END. Text files: Shall necessarily be SEEK_SET.
Exception if the file is not opened. ErrnoException if the call to fseek fails.
See Implementation
Calls $(CSTDIO fseek) for the file handle to move its position indicator.