Error 54. Incorrect \ espace sequence. Supported sequences are \n, \r, \t, \" and \\ (gives single backslash)

You have specified incorrect espace sequence in the string constant. Supported sequences are \n - for new line, \r - for carriage return, \t - for tab, \" for quotation mark, \\ - single backslash.


fh = fopen("C:\windows\test.txt", "w"); // Error 54 - incorrect espace sequence WRONG - a single backslash should be encoded as \\
fh = fopen("C:\\windows\\test.txt", "w" ); // CORRECT
fclose( fh );