#include<stdio.h> |
void
main() |
{ |
char str[30]; |
int i=0; |
printf("\nEnter The String : "); |
gets(str); |
while(str[i]!=’\0’) |
{ |
if(str[i]>='A' &&
str[i]<='Z') |
{ |
str[i]=str[i]+32; |
} |
if(str[i]>='a' &&
str[i]<='z') |
{ |
str[i]=str[i]-32; |
} |
i++; |
} |
printf("\nChanged String : %s",str); |
} |