The functions islower() and tolower(), Computer Engineering

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Distinguish among the functions islower() and tolower().

islower( ) and tolower( ):

islower(c) is a character testing function described in ctype.h header file. This function verifies if the passed argument, in this case c, is lowercase. It returns a nonzero value if true or else 0. To lower (c) is a conversion function described in ctype.h header file that change argument c to lowercase.

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