6.3.1.2 Boolean type "When any scalar value is converted to _Bool, the result is 0 if the value compares equal to 0; otherwise, the result is 1" http://www.op

6.3.1.2 Boolean type "When any scalar value is converted to _Bool, the result is 0 if the value compares equal to 0; otherwise, the result is 1" http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf page 43