XDF_SEEK(3) - Linux man page online | Library functions
Move the sample pointer of a xDF file.
XDF_SEEK(3) xdffileio library manual XDF_SEEK(3)
EPFL 2010 XDF_SEEK(3)
NAMExdf_seek - move the sample pointer of a xDF file
SYNOPSIS#include <xdfio.h> off_t xdf_seek(struct xdf* xdf, off_t offset, int whence);
DESCRIPTIONxdf_seek() repositions the current sample pointer according to the couple (offset,whence) where whence can be: 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. The file referenced by xdf should have been opened with mode XDF_READ and xdf_pre‐ pare_arrays(3) should have been successfully called on it.
RETURN VALUEUpon successful completion, xdf_seek() returns the resulting offset location as measured in number of samples from the beginning of the recording. Otherwise, a value of -1 is returned and errno is set to indicate the error.
ERRORSEINVAL xdf is NULL or whence is none of the allowed values. EPERM No successfull call to xdf_prepare_transfer(3) have been done on xdf or it has been opened using the mode XDF_WRITE. ERANGE The requested offset is out of the range of the recording. EINTR The call was interrupted by a signal before any data was read; see signal(7). EIO A low-level I/O error occurred while reading from the inode. ESTALE Stale file handle. This error can occur for NFS and for other file systems
SEE ALSOxdf_define_arrays(3), xdf_prepare_transfer(3)
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|refer to||signal(7) | xdf_define_arrays(3) | xdf_prepare_transfer(3)|