View Compilation Error

0_0_22016575_7900.c: In function 'main':
0_0_22016575_7900.c:18:16: error: 'true' undeclared (first use in this function)
         while (true)
                ^
0_0_22016575_7900.c:18:16: note: each undeclared identifier is reported only once for each function it appears in