View Compilation Error

521172_0_0_26588.c:5: error: syntax error before "isPrimer"
521172_0_0_26588.c:55: error: syntax error before "isPrimer"
521172_0_0_26588.c: In function `isPrimer':
521172_0_0_26588.c:60: error: `false' undeclared (first use in this function)
521172_0_0_26588.c:60: error: (Each undeclared identifier is reported only once
521172_0_0_26588.c:60: error: for each function it appears in.)
521172_0_0_26588.c:61: error: `true' undeclared (first use in this function)