View Compilation Error

0_0_7724131_25068.c: In function `main':
0_0_7724131_25068.c:14: error: 'for' loop initial declaration used outside C99 mode
0_0_7724131_25068.c:20: error: `low_multi' undeclared (first use in this function)
0_0_7724131_25068.c:20: error: (Each undeclared identifier is reported only once
0_0_7724131_25068.c:20: error: for each function it appears in.)
0_0_7724131_25068.c:20: error: `great_div' undeclared (first use in this function)
0_0_7724131_25068.c:20: error: syntax error before '/' token