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#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include <sys/poll.h>
#include <unistd.h>
#include <errno.h>
#include <stdio.h>
extern int __dns_gethostbyx_r(const char* name, struct hostent* result,
char *buf, size_t buflen,
struct hostent **RESULT, int *h_errnop, int lookfor);
/* Oh boy, this interface sucks so badly, there are no words for it.
* Not one, not two, but _three_ error signalling methods! (*h_errnop
* nonzero? return value nonzero? *RESULT zero?) The glibc goons
* really outdid themselves with this one. */
int gethostbyname2_r(const char* name, int AF, struct hostent* result,
char *buf, size_t buflen,
struct hostent **RESULT, int *h_errnop) {
int L=strlen(name);
int lookfor=0;
switch (AF) {
case AF_INET: lookfor=1; break;
case AF_INET6: lookfor=28; break;
default: *h_errnop=EINVAL; return 1;
}
result->h_name=buf;
if (buflen<L) { *h_errnop=ERANGE; return 1; }
strcpy(buf,name);
return __dns_gethostbyx_r(name,result,buf+L,buflen-L,RESULT,h_errnop,lookfor);
}
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