NAME sendfile - transfer data between file descriptors LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include ... sys/sendfile.h> ssize_t sendfile(int out_fd , int in_fd , off…NAME sendfile - transfer data between file descriptors LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include ... sys/sendfile.h> ssize_t sendfile(int out_fd , int in_fd , off…nextprotoneg val ] [ -alpn val ] [ -ktls ] [ -sendfile ] [ -zerocopy_sendfile ] [ -keylogfile outfile ] [ -recv_max_early_data ... default as of OpenSSL 3.2.0. -sendfile If this op…following cases: A single sendmsg () or sendfile () system call contains multiple logical messages that ... data being processed from a sendmsg () or sendfile () system call, the f…these features include support for zero-copy sendfile (2), Explicit Congestion Notification, new management ... useful for prepending headers before calling sendfile (2), or for th…calls—those from the read (2) family, sendfile (2), copy_file_range (2), and ioctl ... calls—those from the write (2) family, sendfile (2), copy_file_range (2), and ioctlgetsockopt (2), recv (2), select (2), sendfile (2), sendmmsg (2), shutdown (2), socket (2), writegetsockopt (2), recv (2), select (2), sendfile (2), sendmmsg (2), shutdown (2), socket (2), writegetsockopt (2), recv (2), select (2), sendfile (2), sendmmsg (2), shutdown (2), socket (2), writeexit(EXIT_SUCCESS); } SEE ALSO lseek (2), sendfile (2), splicesize of the read (2) or sendfile (2) buffer used when comparing file contentsALSO copy_file_range (2), sendfile (2), tee (2), vmsplice (2), pipeoperations like write (2), writev (2), sendfile (2), read (2), and readvnotes on socketcall (2) sendfile (2) 2.2 sendfile64 (2) 2.6; 2.4.19 sendmmsg (2) 3.0 sendmsg