strblank.c

来自「详细介绍了一篇关于pci开发的接口芯片」· C语言 代码 · 共 21 行

/*  CXL - Copyright (c) 1987-1989 by Mike Smedley - All Rights Reserved  */
/*  STRBLANK.C  - determines if a string is blank  */

#include <ctype.h>
#include "cxldef.h"
#include "cxlstr.h"

int strblank(char *str)
{
    register char *p;
    register int blank=YES;

    for(p=str;*p;p++) {
        if(!isspace(*p)) {
            blank=NO;
            break;
        }
    }
    return(blank);
}