Parse Comma-Separated Integers into an Array

Code

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

void parse_csv_to_array(const char *str, uint8_t *arr, uint8_t *count) {
    uint8_t j;
    int k=0;
    uint8_t num=0;
    for(j=0;str[j]!='\0';j++){
        if(str[j]>='0'&& str[j]<='9'){
              num=num*10+(str[j]-'0');
        }
        else{
            if(str[j]==',')
            {
            arr[k]=num;
            k++;
            num=0;}
        }
        
    }
    arr[k++]=num;
    *count=k;
}
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