Flint2-0.1.0.0: csrc/acb/get_strd.c
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <flint/flint.h>
#include <flint/arb.h>
#include "../acb.h"
char*
acb_get_strd(const acb_t x, slong digits)
{
char * buffer = NULL;
size_t buffer_size = 0;
FILE * out = open_memstream(&buffer, &buffer_size);
acb_fprintd(out, x, digits);
fclose(out);
return buffer;
}