/* This code is placed in the public domain. */ #include <stdlib.h>#include "soundpipe.h" int sp_in_create(sp_in **p){    *p = malloc(sizeof(sp_in));    return SP_OK;} int sp_in_destroy(sp_in **p){    sp_in *pp = *p;    fclose(pp->fp);    free(*p);    return SP_OK;} int sp_in_init(sp_data *sp, sp_in *p){    USED(sp);     p->fp = stdin;    return SP_OK;} int sp_in_compute(sp_data *sp, sp_in *p, SPFLOAT *in, SPFLOAT *out){    USED(sp, in);     *out = 0;    fread(out, sizeof(SPFLOAT), 1, p->fp);    return SP_OK;}