View Compilation Error

0_0_6129530_25561.c:18: error: syntax error before '&' token
0_0_6129530_25561.c: In function `dfs':
0_0_6129530_25561.c:21: error: `lcm' undeclared (first use in this function)
0_0_6129530_25561.c:21: error: (Each undeclared identifier is reported only once
0_0_6129530_25561.c:21: error: for each function it appears in.)
0_0_6129530_25561.c:21: error: `now' undeclared (first use in this function)
0_0_6129530_25561.c:22: error: `count' undeclared (first use in this function)
0_0_6129530_25561.c:23: error: `sum' undeclared (first use in this function)
0_0_6129530_25561.c:26: error: 'for' loop initial declaration used outside C99 mode
0_0_6129530_25561.c: In function `main':
0_0_6129530_25561.c:35: error: 'for' loop initial declaration used outside C99 mode
0_0_6129530_25561.c:46: error: syntax error before '/' token