void sort_name(Staff *p) {
int i,j,max;
Staff b;
for(i = 0;i < T - 1;i++) { // 應該是T - 1，不是T
max = i;
for(j = i + 1;j < T;j++) {
if(strcmp((p + max)->name,(p + j)->name) > 0)
max = j;
}
if(max != i) {
b = *(p + max);
*(p + max) = *(p + i);
*(p + i) = b;
}
} // 這兒添加了"}"
for(i = 0;i < T;i++) {
printf("%s ",(p + i)->id);
printf("%s ",(p + i)->name);
printf("%s ",(p + i)->sex);
printf("%d %d %d ",(p + i)->data.year,(p + i)->data.month,(p + i)->data.day);
printf("%.2lf ",(p + i)->post_wage);
printf("%.2lf ",(p + i)->subsidies);
printf("%.2lf ",(p + i)->withholding);
putchar('\n');
}
}