centos man page for splice_from_pipe_next

SPLICE_FROM_PIPE_NEX(9) 					    splice API						   SPLICE_FROM_PIPE_NEX(9)

NAME
       splice_from_pipe_next - wait for some data to splice from

SYNOPSIS
       int splice_from_pipe_next(struct pipe_inode_info * pipe, struct splice_desc * sd);

ARGUMENTS
       pipe
	   pipe to splice from

       sd
	   information about the splice operation

DESCRIPTION
       This function will wait for some data and return a positive value (one) if pipe buffers are available. It will return zero or -errno if no
       more data needs to be spliced.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   SPLICE_FROM_PIPE_NEX(9)