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https://github.com/saitohirga/WSJT-X.git
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40 lines
809 B
C
40 lines
809 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 <arpa/inet.h>
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#include <time.h>
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#include <string.h>
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#include <stdio.h>
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#define HELLO_PORT 50004
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#define HELLO_GROUP "239.255.0.0"
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struct sockaddr_in addr;
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int fd;
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void setup_ssocket_(void)
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{
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struct ip_mreq mreq;
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/* create what looks like an ordinary UDP socket */
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if ((fd=socket(AF_INET,SOCK_DGRAM,0)) < 0) {
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perror("socket");
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exit(1);
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}
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/* set up destination address */
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memset(&addr,0,sizeof(addr));
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addr.sin_family=AF_INET;
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addr.sin_addr.s_addr=inet_addr(HELLO_GROUP);
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addr.sin_port=htons(HELLO_PORT);
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}
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void send_pkt_(char buf[])
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{
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if (sendto(fd,buf,1416,0,(struct sockaddr *) &addr,
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sizeof(addr)) < 0) {
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perror("sendto");
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exit(1);}
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}
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