怎样定义一个字符类型的宏在双引号中可以使用

stormier 2014-02-09 05:15:13

#define ABC 'p'这样肯定不行

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EACCD3B1 2014-02-27

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引用 2 楼 zhao4zhong1 的回复:

仅供参考

#include <stdio.h>
#define BUF_LEN 1024
#define EMAIL_LEN 80
#define QUOTE1(q) #q
#define QUOTE(q) QUOTE1(q)
char s[]="\"单身\"<760026313@qq.com>; \"XXD\"<502144951@qq.com>; \"凤凰\"<542307112@qq.com>;\"\" <111@qq.com>;\"\" <222@sina.com.cn>;\"\" <333@yahoo.com>;";
char *p,*q;
int n,k;
char e[EMAIL_LEN];
char b[BUF_LEN];
void main() {
    p=s;
    q=b;
    while (1) {
        if (1==sscanf(p,"%*[^<]<%"QUOTE(EMAIL_LEN)"[^>]>%n",e,&n)) {
            p+=n;
            k=sprintf(q,"%s|",e);
            q+=k;
            if (q-b>BUF_LEN-EMAIL_LEN) break;
        } else break;
    }
    q[-1]=0;//去掉末尾的|
    printf("%s\n",b);
}
//760026313@qq.com|502144951@qq.com|542307112@qq.com|111@qq.com|222@sina.com.cn|333@yahoo.com

强悍啊

赵4老师 2014-02-09

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仅供参考

#include <stdio.h>
#define BUF_LEN 1024
#define EMAIL_LEN 80
#define QUOTE1(q) #q
#define QUOTE(q) QUOTE1(q)
char s[]="\"单身\"<760026313@qq.com>; \"XXD\"<502144951@qq.com>; \"凤凰\"<542307112@qq.com>;\"\" <111@qq.com>;\"\" <222@sina.com.cn>;\"\" <333@yahoo.com>;";
char *p,*q;
int n,k;
char e[EMAIL_LEN];
char b[BUF_LEN];
void main() {
    p=s;
    q=b;
    while (1) {
        if (1==sscanf(p,"%*[^<]<%"QUOTE(EMAIL_LEN)"[^>]>%n",e,&n)) {
            p+=n;
            k=sprintf(q,"%s|",e);
            q+=k;
            if (q-b>BUF_LEN-EMAIL_LEN) break;
        } else break;
    }
    q[-1]=0;//去掉末尾的|
    printf("%s\n",b);
}
//760026313@qq.com|502144951@qq.com|542307112@qq.com|111@qq.com|222@sina.com.cn|333@yahoo.com