View Compilation Error

0_0_27725020_6171.c: In function 'main':
0_0_27725020_6171.c:4:11: error: 'true' undeclared (first use in this function)
     while(true){
           ^
0_0_27725020_6171.c:4:11: note: each undeclared identifier is reported only once for each function it appears in