Answer / krishna bs

If you wnat to write your own logic to convert then...

ascii value for Upparcase letter starts from 65 (A) to 90(Z)
ascii value for Lowercase leter starts from 97 (a) to 122(z)

difference is 32, i.e, 97-65 = 32

the same difference carries for all the characters.
Ex: for character 'C'
99 - 67 = 32

You can add 32 to the ascii value for upparcase letter to
convert lowercase (you have to put condition to check the
uppar case letter).

Answer / sahadev tarei

::CharLowerBuff()

Answer / rainz

std::tolower () shall work ,while iterating through the buffer text(character by character).

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