wap to change string upper case to lower case without using standard library function .
#include<stdio.h>
#include<conio.h>
main()
{
char a[20];
int x,i=0,n;
printf("enter yr string ");
gets(a);
puts(a);
while(a[i] != '\0')
{
a[i]= a[i]+32;
i++;
}
printf("lower case string %s",a);
}
output :
enter yr string RAHUL
RAHUL
lower case string rahul
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