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docs: update the documents based on customer feedbacks

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Wang Fang 2020-12-25 11:46:41 +08:00
parent 2d83369184
commit 8eb2ec4fb5
1 changed files with 1 additions and 1 deletions
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2
docs/en/api-reference/protocols/icmp_echo.rst
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@ -70,7 +70,7 @@ Example method to create a new ping session and register callbacks:
struct addrinfo *res = NULL;
memset(&hint, 0, sizeof(hint));
memset(&target_addr, 0, sizeof(target_addr));
getaddrinfo("www.espressif.com", NULL, &hint, &res) == 0);
getaddrinfo("www.espressif.com", NULL, &hint, &res);
struct in_addr addr4 = ((struct sockaddr_in *) (res->ai_addr))->sin_addr;
inet_addr_to_ip4addr(ip_2_ip4(&target_addr), &addr4);
freeaddrinfo(res);