warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]问题

翻译:非常量引用的初始值必须为左值
char* p = "abc";　　// valid in C, invalid in C++
在c++中会报错,正确用法:

char* p = (char*)"abc";  // OK
或者

char const *p = "abc";　　// OK
reference url:https://www.cnblogs.com/zkfopen/p/10521715.html