View Compilation Error

92261_0_16439.c:1: error: syntax error before '&' token
92261_0_16439.c: In function `maxsum':
92261_0_16439.c:4: error: `besti' undeclared (first use in this function)
92261_0_16439.c:4: error: (Each undeclared identifier is reported only once
92261_0_16439.c:4: error: for each function it appears in.)
92261_0_16439.c:4: error: `bestj' undeclared (first use in this function)
92261_0_16439.c:5: error: 'for' loop initial declaration used outside C99 mode
92261_0_16439.c:5: error: `n' undeclared (first use in this function)
92261_0_16439.c:10: error: `a' undeclared (first use in this function)