getw.c

来自「Algorithms for Image Processing and Comp」· C语言 代码 · 共 28 行

/* This is file GETW.C */
/* This file may have been modified by DJ Delorie (Jan 1991).  If so,
** these modifications are Coyright (C) 1993 DJ Delorie, 24 Kirsten Ave,
** Rochester NH, 03867-2954, USA.
*/

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)getw.c	5.2 (Berkeley) 3/9/86";
#endif LIBC_SCCS and not lint

#include <stdio.h>

int
getw(iop)
register FILE *iop;
{
	register i;
	register char *p;
	int w;

	p = (char *)&w;
	for (i=sizeof(int); --i>=0;)
		*p++ = getc(iop);
	if (feof(iop))
		return(EOF);
	return(w);
}