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

#define BUFFER_SIZE 128
#define FIELD_COUNT 5

void write_td(char *field);

int main(void)
{
    size_t n = BUFFER_SIZE;
    char *field = malloc(n);

    while (getdelim(&field, &n, ',', stdin) >= 0)
    {
        printf("    <tr>\n        ");
        write_td(field);

        for (int i = 2; i < FIELD_COUNT; i++)
        {
            getdelim(&field, &n, ',', stdin);
            write_td(field);
        }

        getline(&field, &n, stdin);
        write_td(field);

        printf("\n    </tr>\n");
    }

    free(field);
    return 0;
}

void write_td(char *field)
{
    field[strlen(field) - 1] = '\0';
    printf("<td>%s</td>", field);
}