char option;
FILE *fp;
errno_t err;
err = fopen_s(&fp, "../AVL Trees/input.txt", "r");
while (!feof(fp))
{
fscanf_s(fp, "%c", &option); //error is here
...
}
这是AVL树项目。 我不明白为什么我有这个错误:“没有足够的参数通过格式”,我错过了什么?使用visual studio 2017错误:fscanf_s
编辑:
1>e:\visual studio projects\avl trees\avl trees\main.cpp(27): warning C4473: 'fscanf_s' : not enough arguments passed for format string
1>e:\visual studio projects\avl trees\avl trees\main.cpp(27): note: placeholders and their parameters expect 2 variadic arguments, but 1 were provided
1>e:\visual studio projects\avl trees\avl trees\main.cpp(27): note: the missing variadic argument 2 is required by format string '%c'
1>e:\visual studio projects\avl trees\avl trees\main.cpp(27): note: this argument is used as a buffer size
通话变量选项声明? –
我不认为它有多大帮助,但在这里它是(编辑) – Gundal
与当前问题无关的其他方便阅读(但可能有助于下一个问题):[为什么是“while(!feof(file))”总是错?](https://stackoverflow.com/questions/5431941/why-is-while-feof-file-always-wrong) – user4581301