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 int islower( int c ) 
 int c; /* a character */ 
 
 
 
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| Synopsis | #include "ctype.h" 
 The islower function determines whether c is a lower-case letter. 
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| Parameters | c is an int, whose value must be representable as a char. 
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| Return Value | islower returns a non-zero value if c is a lower-case letter, and 0 if not. | 
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| See Also | 
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