用變量a給出下面的定義 a)一個整型數(shù)(An integer) b)一個指向整型數(shù)的指針(A pointer to an integer) c)一個指向指針的的指針,它指向的指針是指向一個整型數(shù)(A pointer to a pointer to an integer) d)一個有10個整型數(shù)的數(shù)組(An array of 10 integers) e)一個有10個指針的數(shù)組,該指針是指向一個整型數(shù)的(An array of 10 pointers to integers) f) 一個指向有10個整型數(shù)數(shù)組的指針(A pointer to an array of 10 integers) g)一個指向函數(shù)的指針,該函數(shù)有一個整型參數(shù)并返回一個整型數(shù)(A pointer to a function that takes an integer as an argument and returns an integer) h)一個有10個指針的數(shù)組,該指針指向一個函數(shù),該函數(shù)有一個整型參數(shù)并返回一個整型數(shù)( An array of ten pointers to functions that take an integer argument and return an integer )