ldshread.c

来自「speech signal process tools」· C语言 代码 · 共 40 行

#include <system.h>
#include	<stdio.h>
#include	"filehdr.h"
#include	"scnhdr.h"
#include	"ldfcn.h"

/* static char *sccs_id = "@(#)ldshread.c	1.2 12/8/89 ESI, ATT"; */

#if	ANSI
    int		vldldptr( LDFILE *);
#else
    int		vldldptr( );
#endif

int
ldshread(ldptr, sectnum, secthdr)
LDFILE	*ldptr;
unsigned short	sectnum;
SCNHDR	*secthdr; 
{

    if (vldldptr(ldptr) == SUCCESS) {
	if ((sectnum != 0) && (sectnum <= HEADER(ldptr).f_nscns)) {
	    if (FSEEK(ldptr,
		FILHSZ + HEADER(ldptr).f_opthdr + (sectnum - 1L) * SCNHSZ,
		BEGINNING) == OKFSEEK) {
		if (FREAD( (char *) secthdr, SCNHSZ, 1, ldptr) == 1) {
		    return(SUCCESS);
		}
	    }
	}
	/* ADDED 11/11/85 BY H.O.M. */
	else 
		fprintf(stderr, "sectnum == %d??\n", sectnum);
    }

    return(FAILURE);
}