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23 lines
466 B
23 lines
466 B
1 year ago
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#include<fcntl.h>
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#include<sys/types.h>
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#include<unistd.h>
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#include<sys/stat.h>
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#define LEN 512
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int main(int argc, char** argv) {
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int f1, f2, f3, n = 0;
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char buf[520], ch = '\n';
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f1 = open(argv[1], O_RDWR);
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f2 = open(argv[2], O_RDWR);
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f3 = open(argv[3], O_CREAT | O_RDWR);
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while ((n = read(f1, buf, LEN)) > 0)
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write(f3, buf, n);
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write(f3, &ch, 1);
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while ((n = read(f2, buf, LEN)) > 0)
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write(f3, buf, n);
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close(f1);
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close(f2);
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close(f3);
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return 0;
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}
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