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C - islower function
Synopsis:
#include <stdio.h>
int islower(int c);
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Description:
The function returns nonzero if c is any of:
a b c d e f g h i j k l m n o p q r s t u v w x y z
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Return Value
The function returns nonzero if c is lower case otherwise this will return zero which will be equivalent to false.
Example
#include <stdio.h>
int main() {
if( islower( 'a' ) )
{
printf( "Character a is lower case\n" );
}
if( islower( 'A' ) )
{
printf( "Character A is lower case\n" );
}
return 0;
}
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It will proiduce following result:
Character a is lower case
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