Parse Comma-Separated Integers into an Array

Code

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

void parse_csv_to_array(const char *str, uint8_t *arr, uint8_t *count) {

    char separator = ',';
    char temp[4];
    uint8_t char_counter=0;
    uint8_t num_counter = 0;
    for(int i=0; str[i]!='\0'; i++)
    {
        if (str[i]!=separator) {
            temp[char_counter]=str[i];
            char_counter++;
        }

        else if (str[i]==separator){
            temp[char_counter]  = '\0';
            arr[num_counter] = (uint8_t)atoi(temp);
            char_counter =0;
            num_counter++;
        }
    }

    temp[char_counter]  = '\0';
    arr[num_counter] = (uint8_t)atoi(temp);
    num_counter++;

    *count = num_counter;
}

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;
}

Solving Approach