keil写代码时遇到的问题——warning:implicit declaration of function "XXXX" is invalid in C99
在用keil4写实验的时候，遇到了如标题所示的警告，warning:implicit declaration of function "XXXX" is invalid in C99（XXXX代替函数名），具体状况以下图：函数 图中两行警告相同，我在网上找了些资料，大部分说的比较“官方”，或者言辞比较专业，我这种菜鸡理解的稍微有点难度，有的文章说的呢，又太过草率，不够清楚，因此我决定把问题解决
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相关文章
- 1. iOS开发Implicit declaration of function 'XXXX' is invalid in C99” 报错问题
- 2. Implicit declaration of function “xxx” is invalid in C99.
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- 6. implicit declaration of function ... is invalid in C99
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- 10. implicit declaration of function 'basename' is invalid in C99 [-Werror,-Wimplicit-function-declarati