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#include <litc.h>
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int main(int argc, char **argv)
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{
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if (argc != 3)
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errx(-1, "%s <old filename> <new filename>\n", argv[0]);
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char *old = argv[1];
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char *new = argv[2];
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int ret;
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if ((ret = rename(old, new)) < 0)
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err(ret, "rename");
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return 0;
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}
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