Lowercase to Uppercase
#include<stdio.h>
int main()
{
char country[]={'b','a','n','g','l','a','d','e','s','h'};
int i,length;
printf("%s\n",country);
length=10;
for(i=0;i<length;i++){
if(country[i]>=97 && country[i]<=122)
{
country[i]='A'+(country[i]-'a');
}
}
printf("%s\n",country);
return 0;
}
Uppercase to Lowercase
#include<stdio.h>
int main()
{
char country[]={'B','A','N','G','L','A','D','E','S','H'};
int i,length;
printf("%s\n",country);
length=10;
for(i=0;i<length;i++)
{
if(country[i]>=65 && country[i]<=90)
{
country[i]='a'+(country[i]-'A');
}
}
printf("%s\n",country);
return 0;
}
another method:
#include<stdio.h>
int main()
{
char country[]={'B','A','N','G','L','A','D','E','S','H'};
int i,length;
printf("%s\n",country);
length=10;
for(i=0;i<length;i++)
{
if(country[i]>=65 && country[i]<=90)
{
country[i]=country[i]+32;
}
}
printf("%s\n",country);
return 0;
}