getsockopt man page on Minix

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GETSOCKOPT(2)							 GETSOCKOPT(2)

NAME
       getsockopt - get the value of a socket option.

SYNOPSIS
       #include <sys/socket.h>

       int  getsockopt(int  sd,	 int  level,  int  opt_name,  void  * opt_val,
	    socklen_t * opt_len);

DESCRIPTION
       getsockopt() provides an interface to  get  the	value  of  a  specific
       option, referenced by opt_name, for a given socket descriptor sd.

RETURN VALUES
       On success, this function returns 0. On error, -1 is returned and errno
       is set.

ERRORS
       [ENOSYS]	      The option opt_name is not  available/supported  at  the
		      level specified for the socket sd.

       [ENOTSOCK]     sd is not a socket descriptor.

SEE ALSO
       socket(2), socketpair(2), setsockopt(2)

								 GETSOCKOPT(2)
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