GETSOCKOPT(2) — System Interface Manual — System Calls

NAME

getsockopt, setsockopt − get and set options on sockets

SYNOPSIS

#include <sys/socket.h>

getsockopt(s, level, optname, optval, optlen)
int s, level, optname;
char ∗optval;
int ∗optlen;
setsockopt(s, level, optname, optval, optlen)
int s, level, optname;
char ∗optval;
int optlen;

DESCRIPTION

To be supplied.

DIAGNOSTICS

A 0 is returned if the call succeeds, −1 if it fails.

ERRORS

The call succeeds unless:

[EBADF] The argument s is not a valid descriptor.

[ENOTSOCK] The argument s is not a socket.

???

[EFAULT] The options are not in a valid part of the process address space.

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