如何修正编译器错误:预期的“=”、“、”、“asm”或“属性”在“{”标记|之前?

I am trying to build a code to calculate capacitance reactance in a simple series capacitive reactor for my electronics class. The purpose of the code is irrelevant, as the problem is that I am doing something very wrong and need help with my C skills. This is the formula should you need it:I am trying to build a code to calculate capaci