Count Alphabets Digits and Symbols in a String

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

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