能解释一上吗?\\\\是什么意思 strcat(pathname, "\\\\Desktop\\\\7.txt")

能解释一下吗?\\\\是什么意思 strcat(pathname, \\\\Desktop\\\\7.txt)strcat(pathname, \\\\Desktop\

能解释一下吗?\\\\是什么意思 strcat(pathname, "\\\\Desktop\\\\7.txt");
strcat(pathname, "\\\\Desktop\\\\7.txt");

[解决办法]

探讨

\\字符‘\’需要转义"\\\\Desktop\\\\7.txt" --> \\Desktop\\7.txt

[解决办法]
google 转义字符