View Compilation Error

0_0_24300729_13947.c:10:1: error: unknown type name 'bool'
 bool visit[Maxsize];
 ^
0_0_24300729_13947.c: In function 'dfs':
0_0_24300729_13947.c:66:20: error: 'true' undeclared (first use in this function)
         visit[i] = true;
                    ^
0_0_24300729_13947.c:66:20: note: each undeclared identifier is reported only once for each function it appears in
0_0_24300729_13947.c:69:15: error: 'false' undeclared (first use in this function)
    visit[i] = false;     
               ^