islower

Tests for a lowercase character (a to z) in the ASCII code set.

Library:LibC

Classification:ANSI

Service:Characters and Strings

Syntax

  #include <ctype.h> 
   
  int islower (
     int   c);

Parameters

c: (IN) Specifies the character to be tested.

Return Values

Returns a nonzero value when the argument is a lowercase character. Otherwise, it returns zero.

See Also