Answer Posted / dhakchina moorthy.p

#include<stdio.h>
main()
{
char ch;
void replet(char);
prinf("Enter the character:");
scanf("%c",&ch);
if(ch>=65&&ch<==90)
{
printf("The character %c entered is lowercase",ch);
replet(ch);
}
else
printf("The given character %c is uppercase",ch);
}
void replet(char ch)
{
ch='Z';
printf("The replaced character is %c",ch);
}

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