Convert a String to Float

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

float custom_atof(const char *str) {
int i = 0;
int sign = 1;
char temp = 0;
int point = 0;
float value = 0;
float divisor = 1;


if(str[i] == '-')
{
sign = -1;
i++;
}
if(str[i] == '+')
i++;



    while(str[i]!= '\0'){
temp = str[i];

if(temp == '.'){
    point = 1;
i++;
    continue;
}
if(!point){
value  = ((value*10)+(temp-'0'));
}
else{
divisor *= 10;
value = (value + ((temp - '0')/divisor));
}
        i++;
    }
    return sign*(value);
}

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++;
    }

    float value = custom_atof(str);
    printf("%.2f", value);
    return 0;
}