94. Remove Duplicate Characters from a String

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

void remove_duplicates(char *str) {
    int i,j=0;
    char *initial = str; 
	while(*str){
        i=0;
        while((initial+i)<str){
            if(*str==*(initial+i)){
                char *temp = str;
                while(*temp){
                    *(temp++) = *(temp+1);

                }
                str--;
            }
            i++;
        }

        str++;
    }
    }

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++;
    }

    remove_duplicates(str);
    printf("%s", str);
    return 0;
}