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fix mian to main #8

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fix mian to main #8

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7 changes: 4 additions & 3 deletions iOS知识点/iOS底层/1、一个NSObject对象占用多少内存.md
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ int main(int argc, const char * argv[]) {
return 0;
}
```
这一段代码就是我们OC代码中的`mian`函数的实现
这一段代码就是我们OC代码中的`main`函数的实现
```
int main(int argc, const char * argv[]) {
@autoreleasepool {
Expand All @@ -49,7 +49,7 @@ int main(int argc, const char * argv[]) {

```

这时我们在`mian`函数写入这一段代码，然后我们点击进入，查看代码实现
这时我们在`main`函数写入这一段代码，然后我们点击进入，查看代码实现
```
NSObject *obj = [[NSObject alloc] init];
```
Expand All @@ -70,7 +70,7 @@ struct NSObject_IMPL {

我们再一次执行命令
```
xcrun -sdk iphoneos clang -arch arm64 -rewrite-objc mian.m
xcrun -sdk iphoneos clang -arch arm64 -rewrite-objc main.m
```
生成的C++代码为
```
Expand Down Expand Up @@ -235,5 +235,6 @@ struct Student_IMPL {
};

```

[参考demo](https://github.com/SunshineBrother/iOSDemo)