View Compilation Error

0_0_7355332_4114.c: In function `main':
0_0_7355332_4114.c:5: error: syntax error before '/' token
0_0_7355332_4114.c:6: error: `r' undeclared (first use in this function)
0_0_7355332_4114.c:6: error: (Each undeclared identifier is reported only once
0_0_7355332_4114.c:6: error: for each function it appears in.)
0_0_7355332_4114.c:8: error: `v' undeclared (first use in this function)