Function env_format_key

src/output.c:707–721

}

const char* env_format_key(const char* str)
{
    static char result[128];
    int i = 0, j = 0;
    while (str[i] != '\0' && j < (int)(sizeof(result) - 1)) {
        if (str[i] == ' ' || str[i] == '-') {
            result[j++] = '_';
        } else {
            result[j++] = (unsigned char)toupper((unsigned char)str[i]);
        }
        i++;
    }
    result[j] = '\0';
    return result;
}

void output_env(HeadsetControlStatus* status, HeadsetInfo* infos)
{