Function librados_sys::rados_read_op_omap_cmp

pub unsafe extern "C" fn rados_read_op_omap_cmp(
    read_op: rados_read_op_t, 
    key: *const c_char, 
    comparison_operator: uint8_t, 
    val: *const c_char, 
    val_len: size_t, 
    prval: *mut c_int
)