There is no need to have a second set of integral types. Replace them by the standard types from stdint.h.
[PATCH 1/4] block: Replace u_int8_t, u_int16_t, u_int32_t, u_int64_t by standard int types [PATCH 2/4] tests: Replace u_int8_t, u_int16_t, u_int32_t, u_int64_t by standard int types [PATCH 3/4] slirp: Replace u_int8_t, u_int16_t, u_int32_t, u_int64_t by standard int types [PATCH 4/4] slirp: Remove declarations which are no longer needed
