Answer to Question #56419 in C++ for raneem

Question

Write a program that reads a string them changes capital letters with small letters and
small letters with capital letters?

can you please help me know the answer :(?

Answer 1

#include <stdio.h>
#include <ctype.h>

int main() {
char buffer[100];
fgets(buffer,100,stdin);

for(char *c=buffer; *c!='\0'; c++) {
if(*c>='A' && *c<='Z') *c=tolower(*c);
else if(*c>='a' && *c<='z') *c=toupper(*c);
}

printf("%s",buffer);

return 0;