View Compilation Error

722924_0_0_7976.c: In function `cmp':
722924_0_0_7976.c:12: error: `hh' undeclared (first use in this function)
722924_0_0_7976.c:12: error: (Each undeclared identifier is reported only once
722924_0_0_7976.c:12: error: for each function it appears in.)
722924_0_0_7976.c:12: error: syntax error before ')' token
722924_0_0_7976.c:13: error: syntax error before ')' token