hstrerror()的替换函数

#include <stdio.h>
#include <string.h>
#include <netdb.h>

int main() {
    int h_errno = HOST_NOT_FOUND;
    const char* error_msg = strerror(h_errno);
    printf("Error message: %s\n", error_msg);
    return 0;
}

#include <stdio.h>
#include <string.h>
#include <netdb.h>

int main() {
    struct addrinfo hints, *res;
    int status;
    const char* hostname = "example.com";

    memset(&hints, 0, sizeof hints);
    hints.ai_family = AF_UNSPEC;
    hints.ai_socktype = SOCK_STREAM;

    status = getaddrinfo(hostname, NULL, &hints, &res);
    if (status != 0) {
        printf("Error message: %s\n", gai_strerror(status));
        return 1;
    }

    // Process the address information...

    freeaddrinfo(res);
    return 0;
}