View Compilation Error

348505_0_16619.c: In function `cmp':
348505_0_16619.c:12: error: `node' undeclared (first use in this function)
348505_0_16619.c:12: error: (Each undeclared identifier is reported only once
348505_0_16619.c:12: error: for each function it appears in.)
348505_0_16619.c:12: error: syntax error before ')' token
348505_0_16619.c:12: error: syntax error before ')' token
348505_0_16619.c: In function `main':
348505_0_16619.c:40: error: 'for' loop initial declaration used outside C99 mode