Escape sequence \ in C lang.

The backslash is commonly used to escape itself, to form octal or hex constants and several control characters. For example:
{code}
#define PATH "C:\\Temp\\Download" // escaped Windows path separators
#define MAX \xFFFF // hex constant
#define MIN \01 // octal constant
printf("\t\tHello World\n"); // 2 tabs and new line
printf("\fPage 2\n"); // form feed and new line
{code}
Let me know if you need the complete list from the C spec.

Ooops, I was rushed when typing my previous reply and omitted some important examples:

char ch = '