//6_1
(1)
//file1.cpp
int x=1;
int func()
{
//...
}
//file2.cpp
extern int x;
int func();
void g()
{
x=func();
}
//file3.cpp
extern int x=2; //error: extern int变量若有赋值，则成定义
int g(); //error: 函数声明与前面不一致
void main()
{
x=g();
//...
}
(2)
//file1.cpp
int x=5;
int y=8;
extern int z;
//file2.cpp
int x; //error: int x;重复定义
extern double y; //error: y同一名字不同类型定义
extern int z; //error: z只有声明，却无定义
C++程序设计教程课后习题答案【钱能】清华版.zip （419个子文件） 
9_2.com 176KB 9_3.com 172KB 16_5.cpp 6KB 16_4.cpp 4KB jose3.cpp 2KB ch15_7.cpp 2KB 16_3.cpp 2KB 10_5.cpp 2KB 8_3.cpp 2KB jose2.cpp 2KB 18_4.cpp 1KB jose6.cpp 1KB 21_1.cpp 1KB 10_6.cpp 1KB 8_4.cpp 1KB 17_2.cpp 1KB 18_2.cpp 1KB ch7_12.cpp 1KB jose1.cpp 1KB ch18_1.cpp 1KB 7_6.cpp 1KB ch16_3.cpp 1KB ch21_3.cpp 1KB 8_2.cpp 1KB josexx.cpp 1KB ch16_1.cpp 1KB 5_3.cpp 1KB 16_1.cpp 1KB ch15_6.cpp 1KB 10_2.cpp 1KB 10_4_3.cpp 1KB 20_2.cpp 1KB ch18_5.cpp 1KB ring.cpp 1KB ch15_4.cpp 1KB josex.cpp 1012B 11_3.cpp 996B ch15_1.cpp 996B employ.cpp 991B 2_5.cpp 985B 9_1.cpp 983B ch11_5.cpp 977B 11_1.cpp 963B ch18_4.cpp 958B 18_3.cpp 956B 19_5.cpp 954B ch10_11.cpp 945B account.cpp 944B ch9_8.cpp 930B 14_2.cpp 923B ch18_2.cpp 920B ch10_6.cpp 916B ch14_2.cpp 914B ch9_7.cpp 909B ch4_9.cpp 908B ch10_5.cpp 903B ch8_6.cpp 877B 5_2.cpp 871B fixed.cpp 866B 14_4.cpp 866B ch18_7.cpp 858B ch7_11.cpp 850B ch12_3.cpp 831B ch7_10.cpp 827B ch18_3.cpp 823B ch12_6.cpp 816B ch17_2.cpp 813B ch8_26.cpp 808B ch14_1.cpp 807B ch12_1.cpp 802B credit.cpp 791B 10_4_1.cpp 789B 16_2.cpp 788B ch7_9.cpp 774B ch17_4.cpp 773B 19_2.cpp 767B 2_6.cpp 751B ch14_4.cpp 747B ch19_16.cpp 743B checking.cpp 734B ch19_14.cpp 718B ch17_3.cpp 716B ch12_11.cpp 716B 7_2.cpp 715B ch12_10.cpp 693B ch12_12.cpp 693B 9_2.cpp 679B 2_6f.cpp 675B student.cpp 674B ch10_10.cpp 671B ch19_3.cpp 669B 8_8.cpp 662B ch17_1.cpp 657B ch12_2.cpp 657B employee.cpp 650B ch10_9.cpp 648B ch4_8.cpp 636B ch9_5.cpp 624B ch8_9.cpp 621B ch2_1.CPP 619B共 419 条
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