csv to sql

#include <stdio.h>

char id[256];
char nome[256];
char username[256];

int main()
{
    while(scanf("%[^,],", id)!=EOF)
    {

		if(scanf("\"%[^\"]\",", nome) == 0)
			scanf("%[^,],", nome);

		if(scanf("\"%[^\"]\"\n", username) == 0)
			scanf("%[^,\n]\n", username);

		printf("insert into test_users (id, nome, username) values ('%s', '%s', '%s');\n", id, nome, username);
    }

    return 0;
}