View Compilation Error

0_0_4794870_4550.c:46: error: syntax error before '&' token
0_0_4794870_4550.c: In function `check':
0_0_4794870_4550.c:48: error: `x' undeclared (first use in this function)
0_0_4794870_4550.c:48: error: (Each undeclared identifier is reported only once
0_0_4794870_4550.c:48: error: for each function it appears in.)
0_0_4794870_4550.c:48: error: `L' undeclared (first use in this function)
0_0_4794870_4550.c:49: error: `y' undeclared (first use in this function)
0_0_4794870_4550.c:50: error: `R' undeclared (first use in this function)
0_0_4794870_4550.c: In function `main':
0_0_4794870_4550.c:111: error: syntax error before '/' token