Function gethostbyaddr 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn gethostbyaddr(
    v: *const c_void,
    length: socklen_t,
    format: c_int,
) -> *mut hostent

👎Deprecated

See https://pubs.opengroup.org/onlinepubs/009696799/functions/gethostbyaddr.html. Resolve a host name from a given network address.

Arguments

• v - Address to resolve as a non-null in_addr
• length -
• format - AF_INET or AF_INET6

Safety

• v must be a valid pointer.
• length must correctly match the size of v as expected by format (usually 4 or 16).
• This function is not reentrant and may modify static data.

Panics

Panics if v is a null pointer.

Deprecation

Deprecated as of POSIX.1-2001 and removed in POSIX.1-2008. New code should use getaddrinfo instead.