Parse Comma-Separated Integers into an Array

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

void parse_csv_to_array(const char *str, uint8_t *arr, uint8_t *count) {
    // Your logic here
    if (!str || !arr || !count) return;
    
    *count = 0;
    uint8_t current_num = 0;
    bool has_digit = false;

    while (*str != '\0') {
        if ('0' <= *str && *str <= '9') {
            current_num = 10 * current_num + (*str - '0');
            has_digit = true;
        } else if (*str == ',') {
            if (has_digit) {
                arr[(*count)++] = current_num;
                current_num = 0;
                has_digit = false;
            }
        }
        str++;
    }
    if (has_digit) arr[(*count)++] = current_num;
}

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++;
    }

    uint8_t arr[20];
    uint8_t count = 0;

    parse_csv_to_array(str, arr, &count);

    for (uint8_t i = 0; i < count; i++) {
        printf("%u", arr[i]);
        if(i < count - 1){
            printf(" ");
        }
    }
    return 0;
}