basic.c

#include <stdio.h>
#include <cs50.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>

//provided input
char* input = "12\n····\nVAR I\n·FOR I=1 TO 31\n»»»»IF !(I MOD 3) THEN\n··PRINT \"FIZZ\"\n··»»ENDIF\n»»»»····IF !(I MOD 5) THEN\n»»»»··PRINT \"BUZZ\"\n··»»»»»»ENDIF\n»»»»IF (I MOD 3) && (I MOD 5) THEN\n······PRINT \"FIZZBUZZ\"\n··»»ENDIF\n»»»»·NEXT";

int main(void)
{
    printf("INPUT:\n\n%s\n\n", input);
    
    int i;
    //int j;
    //int tabcounter = 0;
    int outputcounter = 0;
    char* output[250];
    
    //loop through entire string once to remove all the dots and arrows
    for (i=0; i < strlen(input); i++)
    {
        //begin at first letter
        if (isalpha(input[i]) == 0)
        {
            //ignore all · and » and put into a new string output
            if (input[i] != ("·" || "»"))
            {
                output[outputcounter] = &input[i];
                printf("%s\n", output[outputcounter]);
                outputcounter = outputcounter + 1;
            }
        }
    }
}