SEQ_READ(9) The Linux VFS SEQ_READ(9)NAMEseq_read - ->read method for sequential files.
SYNOPSIS
ssize_t seq_read(struct file * file, char __user * buf, size_t size,
loff_t * ppos);
ARGUMENTS
file
the file to read from
buf
the buffer to read to
size
the maximum number of bytes to read
ppos
the current position in the file
DESCRIPTION
Ready-made ->f_op->read
COPYRIGHTKernel Hackers Manual 2.6. November 2013 SEQ_READ(9)