98. Convert String to Integer

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

int custom_atoi(const char *str) {
    // Your logic here
    uint8_t j=0;
    int num=0;
    for(j=0;str[j]!='\0';j++){
        if(str[j]=='-' | str[j]=='+')
        {
            continue;
        }
        else
        {
            if(str[j]<'0' | str[j]>'9')
            {
                break;
            }
            else
                num =(num * 10)+ (str[j]-'0');
        }
    }
    if(str[0]=='-')
        return -num;
    else
        return 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++;
    }
    printf("%d", custom_atoi(str));
    return 0;
}