C Program Upper to Lower and Lower to Upper Case
/* Write a C Program to Conver all Character of String from upper to lower and lower to upper case. */ #include <stdio.h> int main(void) { char str[20]="aBcDeF"; int i=0; while(str[i]!='\0') { str[i]=str[i]^32; //Above Logic will convert character upper to Lower and lower to upper i++; } printf("Changed String : %s",str); return 0; }