View Compilation Error

0_0_17754030_29108.c: In function 'main':
0_0_17754030_29108.c:53:9: error: 'true' undeclared (first use in this function)
   while(true)
         ^
0_0_17754030_29108.c:53:9: note: each undeclared identifier is reported only once for each function it appears in