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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <errno.h>
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#include "byte.h"
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#include "socket.h"
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#include "ip6.h"
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#include "haveip6.h"
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#include "ip4.h"
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int socket_send6(int s,const char *buf,unsigned int len,const char ip[16],uint16 port,uint32 scope_id)
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{
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#ifdef LIBC_HAS_IP6
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struct sockaddr_in6 si;
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#else
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struct sockaddr_in si;
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#endif
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byte_zero(&si,sizeof si);
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#ifdef LIBC_HAS_IP6
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if (noipv6) {
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#endif
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if (ip6_isv4mapped(ip))
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return socket_send4(s,buf,len,ip+12,port);
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if (byte_equal(ip,16,V6loopback))
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return socket_send4(s,buf,len,ip4loopback,port);
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#ifdef LIBC_HAS_IP6
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errno=EPROTO;
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return -1;
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}
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si.sin6_family = AF_INET6;
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uint16_pack_big((char *) &si.sin6_port,port);
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byte_copy((char *) &si.sin6_addr,16,ip);
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return sendto(s,buf,len,0,(struct sockaddr *) &si,sizeof si);
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#else
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errno=EPROTO;
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return -1;
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#endif
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}
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