View Compilation Error

0_0_9942105_10018.c:3: error: syntax error before "match"
0_0_9942105_10018.c:4: error: syntax error before "round"
0_0_9942105_10018.c: In function `main':
0_0_9942105_10018.c:9: error: `bool' undeclared (first use in this function)
0_0_9942105_10018.c:9: error: (Each undeclared identifier is reported only once
0_0_9942105_10018.c:9: error: for each function it appears in.)
0_0_9942105_10018.c:9: error: syntax error before "r"
0_0_9942105_10018.c:11: error: `r' undeclared (first use in this function)
0_0_9942105_10018.c:11: error: `false' undeclared (first use in this function)
0_0_9942105_10018.c:23: error: `true' undeclared (first use in this function)