centos man page for seq_open

Query: seq_open

OS: centos

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

SEQ_OPEN(9)							   The Linux VFS						       SEQ_OPEN(9)

NAME
seq_open - initialize sequential file
SYNOPSIS
int seq_open(struct file * file, const struct seq_operations * op);
ARGUMENTS
file file we initialize op method table describing the sequence
DESCRIPTION
seq_open sets file, associating it with a sequence described by op. op->start sets the iterator up and returns the first element of sequence. op->stop shuts it down. op->next returns the next element of sequence. op->show prints element into the buffer. In case of error ->start and ->next return ERR_PTR(error). In the end of sequence they return NULL. ->show returns 0 in case of success and negative number in case of error. Returning SEQ_SKIP means "discard this element and move on".
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 SEQ_OPEN(9)
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