35 lines
613 B
C
35 lines
613 B
C
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <fcntl.h>
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int main() {
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int f1, f2;
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char message[100]; // pour récupérer un message
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char *phrasef = "message envoyé au père par le fils";
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f1 = open("f2p", O_WRONLY);
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f2 = open("p2f", O_RDONLY);
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if (write(f1, phrasef, strlen(phrasef)+1) != -1) {
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sleep(4);
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if (read(f2, message, 100) >= 0) {
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printf("J'ai lu : %s\n", message);
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} else {
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perror("Read erreur"); exit(4);
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}
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} else {
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perror("Write erreur"); exit(3);
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}
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close(f1);
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close(f2);
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return 0;
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}
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