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

char** splitStr(char* orig_str, char* sep, int* size)
{
    char *token, *tofree, *str;
    char** arr = calloc(1, sizeof(char*));
    tofree = str = strdup(orig_str);
    int i = 0;
    while ((token = strsep(&str, sep))) {
        arr[i] = calloc(strlen(token) + 1, sizeof(char));
        strcpy(arr[i], token);
        i++;
        arr = reallocarray(arr, i + 1, sizeof(char*));
    }
    free(tofree);
    *size = i;
    return arr;
}

void freeArr(char** arr, int size) {
    for (int i = 0; i < size; i++) {
        free(arr[i]);
    }
    free(arr);
}

int main()
{
    int size;
    char* str = "123812,ANA MARIA DEL CARPIO,1386.2,1239.9";
    char** arr = splitStr(str, ",", &size);
    for (int i = 0; i < size; i++) {
        puts(arr[i]);
    }
    freeArr(arr, size);
    return 0;
}