#include "stdio.h"#ifndef mips#include "stdlib.h"#endif#include "xlisp.h"#include "sound.h"#include "falloc.h"#include "cext.h"#include "white.h"void white_free();typedef struct white_susp_struct {    snd_susp_node susp;    long terminate_cnt;} white_susp_node, *white_susp_type;void white__fetch(register white_susp_type susp, snd_list_type snd_list){    int cnt = 0; /* how many samples computed */    int togo;    int n;    sample_block_type out;    register sample_block_values_type out_ptr;    register sample_block_values_type out_ptr_reg;    falloc_sample_block(out, "white__fetch");    out_ptr = out->samples;    snd_list->block = out;    while (cnt < max_sample_block_len) { /* outer loop */	/* first compute how many samples to generate in inner loop: */	/* don't overflow the output sample block: */	togo = max_sample_block_len - cnt;	/* don't run past terminate time */	if (susp->terminate_cnt != UNKNOWN &&	    susp->terminate_cnt <= susp->susp.current + cnt + togo) {	    togo = susp->terminate_cnt - (susp->susp.current + cnt);	    if (togo == 0) break;	}	n = togo;	out_ptr_reg = out_ptr;	if (n) do { /* the inner sample computation loop */*out_ptr_reg++ = (sample_type) (rand() * rand_scale - 1.0);;	} while (--n); /* inner loop */	out_ptr += togo;	cnt += togo;    } /* outer loop */    /* test for termination */    if (togo == 0 && cnt == 0) {	snd_list_terminate(snd_list);    } else {	snd_list->block_len = cnt;	susp->susp.current += cnt;    }} /* white__fetch */void white_free(white_susp_type susp){    ffree_generic(susp, sizeof(white_susp_node), "white_free");}void white_print_tree(white_susp_type susp, int n){}sound_type snd_make_white(time_type t0, rate_type sr, time_type d){    register white_susp_type susp;    /* sr specified as input parameter */    /* t0 specified as input parameter */    sample_type scale_factor = 1.0F;    falloc_generic(susp, white_susp_node, "snd_make_white");    susp->susp.fetch = white__fetch;    susp->terminate_cnt = round((d) * sr);    /* initialize susp state */    susp->susp.free = white_free;    susp->susp.sr = sr;    susp->susp.t0 = t0;    susp->susp.mark = NULL;    susp->susp.print_tree = white_print_tree;    susp->susp.name = "white";    susp->susp.log_stop_cnt = UNKNOWN;    susp->susp.current = 0;    return sound_create((snd_susp_type)susp, t0, sr, scale_factor);}sound_type snd_white(time_type t0, rate_type sr, time_type d){    return snd_make_white(t0, sr, d);}