What does \x mean in C/C++?

Question

Example:

char arr[] = \"\\xeb\\x2a\";

BTW, are the following the same?

\"\\xeb\\x2a\" vs. \'\\xeb\\x2a\'<

Answer 1

It's a special character that indicates the string is actually a hexadecimal number.

http://www.austincc.edu/rickster/COSC1320/handouts/escchar.htm