32 lines
780 B
Groff
32 lines
780 B
Groff
.TH SETSOCKOPT 2
|
|
.SH NAME
|
|
setsockopt \- set the value of a socket option.
|
|
.SH SYNOPSIS
|
|
.ft B
|
|
#include <sys/socket.h>
|
|
|
|
.in +5
|
|
.ti -5
|
|
int setsockopt(int \fIsd\fP, int \fIlevel\fP, int \fIopt_name\fP, const void * \fIopt_val\fP, socklen_t \fIopt_len\fP);
|
|
.br
|
|
.ft P
|
|
.SH DESCRIPTION
|
|
setsockopt() provides an interface to set the value of a specific
|
|
option, referenced by \fIopt_name\fP, for a given socket descriptor
|
|
\fIsd\fP.
|
|
.SH RETURN VALUES
|
|
On success, this function returns 0. On error, -1 is returned and
|
|
\fIerrno\fP is set.
|
|
.SH ERRORS
|
|
.TP 15
|
|
[ENOSYS]
|
|
The option \fIopt_name\fP is not available/supported at the \fIlevel\fP
|
|
specified for the socket \fIsd\fP.
|
|
.TP 15
|
|
[ENOTSOCK]
|
|
\fIsd\fP is not a socket descriptor.
|
|
.SH SEE ALSO
|
|
.BR socket(2),
|
|
.BR socketpair(2),
|
|
.BR getsockopt(2)
|