View Compilation Error

815692_0_0_3625.c:5: error: syntax error before "r"
815692_0_0_3625.c: In function `main':
815692_0_0_3625.c:40: error: `bool' undeclared (first use in this function)
815692_0_0_3625.c:40: error: (Each undeclared identifier is reported only once
815692_0_0_3625.c:40: error: for each function it appears in.)
815692_0_0_3625.c:40: error: syntax error before "c1"
815692_0_0_3625.c:42: error: `c1' undeclared (first use in this function)
815692_0_0_3625.c:49: error: `c2' undeclared (first use in this function)
815692_0_0_3625.c: At top level:
815692_0_0_3625.c:62: error: syntax error before '}' token