View Compilation Error

896677_0_0_7372.c:3: error: syntax error before "pow"
896677_0_0_7372.c:3: error: syntax error before "a"
896677_0_0_7372.c: In function `pow':
896677_0_0_7372.c:5: error: `b' undeclared (first use in this function)
896677_0_0_7372.c:5: error: (Each undeclared identifier is reported only once
896677_0_0_7372.c:5: error: for each function it appears in.)
896677_0_0_7372.c:6: error: `a' undeclared (first use in this function)