9.A reentrant function can be safely called recursively or from multiple tasks.可再入的函数可以被安全地递归调用或由多任务多次调用。 10.This can be used to allow a quick exit to deeply nested, recursively called functions这可以使一个嵌套很深,被递归调用的函数很快退出。 11.Application of Recurren...