Ablution

Bukhari :: Book 1 :: Volume 4 :: Hadith 151

Narrated 'Abdullah bin 'Umar:

Once I went up the roof of our house and saw Allah's Apostle answering the call of nature while sitting over two bricks facing Bait-ul-Maqdis (Jerusalem). (See Hadith No. 147).

Bukhari :: Book 1 :: Volume 4 :: Hadith 152

Narrated Anas bin Malik:

Whenever Allah's Apostle went to answer the call of nature, I along with another boy used to accompany him with a tumbler full of water. (Hisham commented, "So that he might wash his private parts with it.)"

Bukhari :: Book 1 :: Volume 4 :: Hadith 153

Narrated Anas:

Whenever Allah's Apostle went to answer the call of nature, I along with another boy from us used to go behind him with a tumbler full of water.

Bukhari :: Book 1 :: Volume 4 :: Hadith 154

Narrated Anas bin Malik:

Whenever Allah's Apostle went to answer the call of nature, I along with another boy used to carry a tumbler full of water (for cleaning the private parts) and an 'Anza (spear-headed stuck)

Bukhari :: Book 1 :: Volume 4 :: Hadith 155

Narrated Abu Qatada:

Allah's Apostle said, "Whenever anyone of you drinks water, he should not breathe in the drinking utensil, and whenever anyone of you goes to a lavatory, he should neither touch his penis nor clean his private parts with his right hand."