题目:回答结果(结构体变量传递)。 #include<stdio.h> struct student { int x; char c; } a; void f(struct student b) { b.x = 555; b.c = 'w'; } int main() { a.x = 4; a.c = 'b'; f(a); printf("%d,%c", a.x, a.c); } 结果: 4,b