#include <stdio.h>
#include <stdint.h>
void to_lowercase(char *str) {
// Your logic here
for (uint8_t i = 0; str[i] != '\0'; i++)
{
// Check if character is uppercase (A-Z)
if (str[i] >= 'A' && str[i] <= 'Z')
{
// Convert to lowercase by adding the ASCII difference
str[i] = str[i] + ('a' - 'A');
}
// All other characters remain unchanged
}
}
int main() {
char str[101];
fgets(str, sizeof(str), stdin);
// Remove newline
uint8_t i = 0;
while (str[i]) {
if (str[i] == '\n') {
str[i] = '\0';
break;
}
i++;
}
to_lowercase(str);
printf("%s", str);
return 0;
}
Input
Hello Embedded
Expected Output
hello embedded