ldlseek.c

speech signal process tools

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

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

#if	ANSI
	int	ldshread( LDFILE *, unsigned short, SCNHDR *);
#else 
	int	ldshread( );
#endif 

int
ldlseek(ldptr, sectnum)
LDFILE		*ldptr;
unsigned short	sectnum; 

{
	SCNHDR	shdr;

	if (ldshread(ldptr, sectnum, &shdr) == SUCCESS) {
		if (shdr.s_nlnno != 0) {
		    if (FSEEK(ldptr, shdr.s_lnnoptr, BEGINNING) == OKFSEEK) {
			    return(SUCCESS);
		    }
		}
	}

	return(FAILURE);
}