Convert Uppercase Letters to Lowercase

Code

#include <stdio.h>
#include <stdint.h>

void to_lowercase(char *str) {
    // Your logic here
    int len;
    for(len=0;str[len]!='\0';len++);

    int i;
    for(i=0;i<len;i++){
        if((str[i] != ' ' ) && (str[i] >= 'A' && str[i] <= 'Z')) {
            //printf("%c",str[i]);
            str[i] += 32;
        }
    }
}

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;
}

Solving Approach

 

 

 

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Input

Hello Embedded

Expected Output

hello embedded