回答編集履歴
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追記
test
CHANGED
@@ -1 +1,43 @@
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putchar(*s-1);→putchar(*(s-1));
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「追記」
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```c
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usr ~/Project/test % ./a.out
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BDFHJL�usr ~/Project/test % cat tst.c
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#include <stdio.h>
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void put_string(const char *s)
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{
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while (*s++)
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putchar(*s - 1);
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}
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int main(void)
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{
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char *s = "ACEGIKM";
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put_string(s);
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return 0;
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}
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usr ~/Project/test %
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43
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```
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