View Compilation Error

0_0_6072152_625.c: In function `f':
0_0_6072152_625.c:9: error: `jh' undeclared (first use in this function)
0_0_6072152_625.c:9: error: (Each undeclared identifier is reported only once
0_0_6072152_625.c:9: error: for each function it appears in.)