sockfd_to_family函数

2024-10-08 12:34:03

#include    <sys/socket.h>

#include    <netinet/in.h>

#define     SA    struct sockaddr

int sockfd_to_family(int sockfd)

{

    struct sockaddr_storage ss;

    socklen_t    len;

    len = sizeof(ss);

    if (getsockname(sockfd, (SA *) &ss, &len) < )

        return(-);

    return(ss.ss_family);

}

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