/*
* 测试C语言中，函数参数为空时，代表什么意思？
* 是代表0个参数，还是任何参数
*
* 结论：
* C言语中，函数参数为空时()，表示可以传递任意个数，任意类型的参数，只是函数中无法访问这些参数。
* 在调用是给函数传递参数，编译时会报警告但不报错。
* 如果函数参数为(void), 则明确表示不能传递参数，如果传了，编译时会报错。
*/
#include <stdio.h>
void print()
{
printf("print\n");
}
void show(void)
{
printf("show\n");
}
int main()
{
print();
print(1);
print(1, "abc", 2.5);
printf("\n");
show();
show(2);
return 0;
}
学习C++程序设计语言(第4版 郑莉等著) 时书写的相关代码.zip
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学习C++程序设计语言(第4版 郑莉等著) 时书写的相关代码.zip （85个子文件） 
code_21206 chapter6 reinterpret_cast 
driver.cpp 331B class_member_pointer driver.cpp 658B ] 558B modify_constant driver.cpp 866B driver.s 655B object_array driver.cpp 1KB object_init driver.cpp 449B chapter7 multi_base_class driver.cpp 1KB func_parameter_empty driver.cpp 369B driver 8KB driver.c 663B private_inherit driver.cpp 533B base_point_to_private_derived driver.cpp 304B call_constructor driver.cpp 377B child_class_init_order driver.cpp 256B order.h 2KB assign_modify_pointer driver.cpp 602B virtual_base_class driver.cpp 1KB LICENSE 34KB chapter5 const_and_pointer driver.cpp 223B compile_link driver.cpp 231B b.h 64B a.h 248B a.cpp 27B class_static_member driver.cpp 412B static_member.cpp 277B static_member.h 210B friend driver.cpp 547B exhusband.h 203B wife.cpp 265B husband.cpp 10B wife.h 291B husband.h 276B variable_init driver.cpp 1012B namespace driver.cpp 145B A.cpp 113B B.h 55B A.h 103B B.cpp 93B const_override driver.cpp 983B .gitignore 270B chapter10 vector_allocate_memory driver.cpp 711B simple_stl driver.cpp 348B function_adaptor_1 driver.cpp 1KB sort_using_iterator driver.cpp 941B map driver.cpp 705B container_simple driver.cpp 1KB cell_split driver.cpp 1KB map_subscript driver.cpp 376B io_iterator driver.cpp 327B stack driver.cpp 335B accumulate driver.cpp 408B function_object_1 driver.cpp 1021B deque driver.cpp 490B member_fun_adaptor diriver.cpp 830B bind2nd driver.cpp 790B algorithm sort_search.cpp 3KB modify_sequence.cpp 1KB sequence.cpp 1KB value.cpp 384B 3 806B binary_predicate driver.cpp 508B reverse_iterator driver.cpp 329B multimap driver.cpp 1KB invalidate_iterator driver.cpp 417B set driver.cpp 797B splice driver.cpp 1KB chapter8 polymoorphism driver.cpp 487B class_cluster.cpp 519B class_cluster.h 240B virtual_function driver.cpp 204B class.cpp 150B class.h 140B virtual_table driver.cpp 284B class.cpp 718B class.h 233B complex_operator driver.cpp 965B complex.h 488B complex.cpp 714B chapter9 class_template driver.cpp 1KB linked_list driver.cpp 270B linked_list.h 3KB array_template driver.cpp 1KB template.h 3KB function_template driver.cpp 804B资源评论
