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20 lines
522 B
C
20 lines
522 B
C
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#include <sys/types.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 "socket.h"
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#include "byte.h"
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int socket_send(int fd,const unsigned char *x,long long xlen,const unsigned char *ip,const unsigned char *port)
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{
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struct sockaddr_in sa;
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if (xlen < 0 || xlen > 1048576) { errno = EPROTO; return -1; }
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byte_zero(&sa,sizeof sa);
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sa.sin_family = AF_INET;
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byte_copy(&sa.sin_addr,4,ip);
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byte_copy(&sa.sin_port,2,port);
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return sendto(fd,x,xlen,0,(struct sockaddr *) &sa,sizeof sa);
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}
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