单选题有以下程序:#include #include typedef struct{ char name[9]; char sex; float score[2];} STU;void f(STU a){ STU b={zhao,'m',85.0,90.0}; int i; strcpy(a.name, b.name); a.sex = b.sex; for(i=0; i2; i++) a.score[i]=b.score[i];}main(){ STU c={Qian,'f',95.0, 92.0}; f(c); printf(%s,%c,%2.0f,%2.0f, c.name, c.sex, c.score[0], c.score[1]);}程序的运行结果是( )。AQian,f,95,92BQian,m,85,90CZhao,f,95,92DZhao,m,85,90
单选题
有以下程序:#include #include typedef struct{ char name[9]; char sex; float score[2];} STU;void f(STU a){ STU b={zhao,'m',85.0,90.0}; int i; strcpy(a.name, b.name); a.sex = b.sex; for(i=0; i<2; i++) a.score[i]=b.score[i];}main(){ STU c={Qian,'f',95.0, 92.0}; f(c); printf(%s,%c,%2.0f,%2.0f, c.name, c.sex, c.score[0], c.score[1]);}程序的运行结果是( )。
A
Qian,f,95,92
B
Qian,m,85,90
C
Zhao,f,95,92
D
Zhao,m,85,90
参考解析
解析:
结构体作为函数参数时是传值调用。本题中,函数传递的是实参结构体变量中的值。函数体内对形参结构体变量中任何成员的操作都不会影响对应实参中成员的值。因此,f函数没有任何实际作用。答案选择A选项。
结构体作为函数参数时是传值调用。本题中,函数传递的是实参结构体变量中的值。函数体内对形参结构体变量中任何成员的操作都不会影响对应实参中成员的值。因此,f函数没有任何实际作用。答案选择A选项。
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