View Compilation Error

736170_0_0_3554.c:2: error: syntax error before ';' token
736170_0_0_3554.c: In function `f':
736170_0_0_3554.c:5: error: syntax error before ',' token
736170_0_0_3554.c:9: error: `sum' undeclared (first use in this function)
736170_0_0_3554.c:9: error: (Each undeclared identifier is reported only once
736170_0_0_3554.c:9: error: for each function it appears in.)
736170_0_0_3554.c:27: error: `s1' undeclared (first use in this function)
736170_0_0_3554.c:28: error: `s2' undeclared (first use in this function)