sock_set_addr.c

Unix网络编程 基于Socket的网络编程

#include	"unp.h"

void
sock_set_addr(struct sockaddr *sa, socklen_t salen, const void *addr)
{
	switch (sa->sa_family) {
	case AF_INET: {
		struct sockaddr_in	*sin = (struct sockaddr_in *) sa;

		memcpy(&sin->sin_addr, addr, sizeof(struct in_addr));
		return;
	}

#ifdef	IPV6
	case AF_INET6: {
		struct sockaddr_in6	*sin6 = (struct sockaddr_in6 *) sa;

		memcpy(&sin6->sin6_addr, addr, sizeof(struct in6_addr));
		return;
	}
#endif
	}

    return;
}