22 lines
274 B
C
22 lines
274 B
C
#include "user.h"
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char buf[32];
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int
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main()
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{
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int pid, fds[2], n;
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pipe(fds);
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pid = fork();
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if(pid > 0){
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write(fds[1], "xyz", 4);
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puts("w");
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} else {
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n = read(fds[0], buf, sizeof(buf));
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puts("r: ");
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puts(buf);
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puts("\n");
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}
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for(;;);
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}
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