>477ですが、ちなみに今度はこんなエラーです tin.c: 関数 `main' 内: tin.c:12: error: too few arguments to function `fgets' tin.c:14: error: too few arguments to function `fgets' tin.c:16: error: `gcc' undeclared (first use in this function) tin.c:16: error: (Each undeclared identifier is reported only once tin.c:16: error: for each function it appears in.) tin.c:16: error: 文法エラー before "for" tin.c:16: error: 文法エラー before ')' token tin.c: トップレベル: tin.c:20: error: 文法エラー before string constant tin.c:20: 警告: conflicting types for built-in function `printf' tin.c:20: 警告: data definition has no type or storage class