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

void strnsplit(char *in, char c, int n, char **dest) {
    int i;
    int j;
    for (i = 0; i < n; i++) {
        j = 0;
        while (in[j] != c) {
            printf("%c, ", in[j]);
            dest[i][j] = in[j];
            j++;
        }
        printf("\n");
        dest[i][j] = '\0';
    }
}

int main() {
        char foo[50] = "abcd,efgh,ijkl,mnop";
        char bar[10][50];
        strnsplit(foo, ',', 4, bar);

        int i;
        for (i=0; i<4; i++) {
                printf("%s\n", bar[i]);
        }

        return 0;
}