在这个声明中:
char *a = "string1"
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究竟什么是字符串文字?是string1吗?因为这个线程C和C++中字符串文字的类型是什么?说些不同的东西.
据我所知
int main()
{
char *a = "string1"; //is a string- literals allocated memory in read-only section.
char b[] = "string2"; //is a array char where memory will be allocated in stack.
a[0] = 'X'; //Not allowed. It is an undefined Behaviour. For me, it Seg Faults.
b[0] = 'Y'; //Valid.
return 0;
}
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请添加除上述要点之外的一些细节.谢谢.
调试输出显示错误 a[0] = 'Y';
Reading symbols from /home/jay/Desktop/MI/chararr/a.out...done.
(gdb) b main
Breakpoint 1 at 0x40056c: …Run Code Online (Sandbox Code Playgroud)