Count Alphabets Digits and Symbols in a String

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

void classify_chars(const char *str, uint8_t *alpha, uint8_t *digit, uint8_t *symbol) {
    // Your logic here
    int temp=0;
    for(int j=0; j<strlen(str); j++)
    {
        temp=str[j];
        if(temp >= 48 && temp <= 57)
            *digit +=1;
        else if((temp >=65 && temp <=90 )| (temp >=97 && temp <=122 ))
            *alpha+=1;
        else if(temp == 32)
            continue;
        else
            *symbol+=1;
    }


}

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 alpha = 0, digit = 0, symbol = 0;
    classify_chars(str, &alpha, &digit, &symbol);
    printf("Alphabets = %u\nDigits = %u\nSymbols = %u", alpha, digit, symbol);
    return 0;
}