#define MAXC 25
pid_t do_child(char *cmd, char *args[]);

int main(void) {
int v = 0, x =0;
pid_t p_arrays[MAXC];

            while (v  <  MAXC) {p_arrays[v] = do_child(...); v++);
            while (x < (MAXC - 1)) {
                   if (waitpid(0,NULL,WNOHANG)) > 0) {x++;}
                   sleep(1);
             }
}
/*do_child with fork + execv is simple as is parsing and passing args to do_child in main*/