SOCKATMARK(3) | Library Functions Manual | SOCKATMARK(3) |
sockatmark
—
#include <sys/socket.h>
int
sockatmark
(int
s);
sockatmark
function determines whether the socket
referenced by the file descriptor s is at the
out-of-band mark.
sockatmark
function returns 1 to
indicate that the socket is at an out-of-band mark; 0 is returned if there is
no out-of-band mark or the mark is preceded by in-band data. Otherwise, -1 is
returned and errno is set to indicate the error.
sockatmark
function will fail if:
Stuart Sechrest, An Introductory 4.4BSD Interprocess Communication Tutorial. (see /usr/share/doc/psd/20.ipctut)
Samuel J. Leffler, Robert S. Fabry, William N. Joy, Phil Lapsley, Steve Miller, and Chris Torek, Advanced 4.4BSD IPC Tutorial. (see /usr/share/doc/psd/21.ipc)
sockatmark
function conforms to
IEEE Std 1003.1-2001 (“POSIX.1”).
sockatmark
function appeared in
IEEE Std 1003.1g-2000 (“POSIX.1g”) as a
replacement for the SIOCATMARK
ioctl(2) interface.
May 15, 2003 | NetBSD 9.2 |