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25 lines
526 B
C++
25 lines
526 B
C++
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#include <netdb.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <stdio.h>
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int main(int argc, char** argv)
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{
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if (argc < 2) {
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printf("usage: host <hostname>\n");
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return 0;
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}
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auto* hostent = gethostbyname(argv[1]);
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if (!hostent) {
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printf("Lookup failed for '%s'\n", argv[1]);
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return 1;
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}
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char buffer[32];
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const char* ip_str = inet_ntop(AF_INET, hostent->h_addr_list[0], buffer, sizeof(buffer));
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printf("%s is %s\n", argv[1], ip_str);
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return 0;
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}
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