View Compilation Error

182891_0_20255.c:4: error: syntax error before "com"
182891_0_20255.c: In function `com':
182891_0_20255.c:9: error: `bool' undeclared (first use in this function)
182891_0_20255.c:9: error: (Each undeclared identifier is reported only once
182891_0_20255.c:9: error: for each function it appears in.)
182891_0_20255.c:9: error: syntax error before "flag"
182891_0_20255.c:12: error: `flag' undeclared (first use in this function)
182891_0_20255.c:14: error: `false' undeclared (first use in this function)