/in/foo.cc: In function 'int identify(char, char, char)':
/in/foo.cc:24:18: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
     if (bi >= ai && ai >= ci || bi <= ai && ai <= ci)
         ~~~~~~~~~^~~~~~~~~~~
/in/foo.cc:26:18: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
     if (ai >= bi && bi >= ci || ai <= bi && bi <= ci)
         ~~~~~~~~~^~~~~~~~~~~
/in/foo.cc:28:18: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
     if (ai >= ci && ci >= bi || ai <= ci && ci <= bi)
         ~~~~~~~~~^~~~~~~~~~~
/in/foo.cc:30:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^