44 lines
848 B
C
44 lines
848 B
C
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#include <stdio.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <unistd.h>
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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 <string.h>
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#include <stdio.h>
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int main()
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{
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int sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
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struct sockaddr_in sa;
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int bound;
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ssize_t recsize;
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socklen_t *address_len = NULL;
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sa.sin_addr.s_addr = INADDR_ANY;
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sa.sin_port = htons(7654);
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bound = bind(sock, (struct sockaddr *)&sa, sizeof(struct sockaddr));
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if (bound < 0)
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fprintf(stderr, "bind(): ошибка %s\n", strerror(errno));
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char Hz[1024];
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while (1) {
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printf("recv test....\n");
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recsize = recvfrom(sock, (void *)Hz, 100, 0, (struct sockaddr *)&sa, address_len);
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if (recsize < 0)
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perror("Ошибка:");
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printf("recsize: %d\n ", (int)recsize);
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//sleep(1);
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printf("datagram: %s\n", Hz);
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}
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}
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