Invalid conversion from ‘char*’ to ‘char’

[anda_skoa]

cText is an array of char, also representable as char*.
Your function's return value is a single char.

If you want to return the first character in the array, write

return cText[0];

return cText[0];

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BTW, your sprintf() is wrong, the target buffer comes first, then the format string then the arguments specified in the format string.

Cheers,
_