View Compilation Error

733214_0_0_7296.c: In function `cmp':
733214_0_0_7296.c:13: error: `node' undeclared (first use in this function)
733214_0_0_7296.c:13: error: (Each undeclared identifier is reported only once
733214_0_0_7296.c:13: error: for each function it appears in.)
733214_0_0_7296.c:13: error: syntax error before ')' token
733214_0_0_7296.c:13: error: syntax error before ')' token
733214_0_0_7296.c: In function `main':
733214_0_0_7296.c:42: error: 'for' loop initial declaration used outside C99 mode