我写一个程序, 输入含有以下字符的任何字符串 :
& , > , < , SPACE (e.g " ")
分隔符的写法像这样: char 分隔符[] = " & amp;<>";
, 我用 strpbrk
命令使用它们。
我需要向此组添加分隔符 ' & gt; & gt; "
. 我该怎么做?
如果我只写 : charter 分隔符[] = "&< & gt; & gt;>> & gt;";
, 编译者不相应处理 。
知道怎么解决这个问题吗?
谢谢 谢谢
我写一个程序, 输入含有以下字符的任何字符串 :
& , > , < , SPACE (e.g " ")
分隔符的写法像这样: char 分隔符[] = " & amp;<>";
, 我用 strpbrk
命令使用它们。
我需要向此组添加分隔符 ' & gt; & gt; "
. 我该怎么做?
如果我只写 : charter 分隔符[] = "&< & gt; & gt;>> & gt;";
, 编译者不相应处理 。
知道怎么解决这个问题吗?
谢谢 谢谢
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char *strpbrkEx(const char *str, char **strs){
char *minp=(char*)-1, *p;
if(NULL==str || NULL==strs)return NULL;
while(*strs){
p=strstr(str, *strs++);
if(p && minp > p)
minp = p;
}
if(minp == (char*)-1) return NULL;
return minp;
}
int main(){
char *delimiters[] = {" ","&","<",">>",">", NULL};
char data[]="cin>> num;";
char *p;
p = strpbrkEx(data, delimiters);//found ">>" but case of ">" distinction does not adhere
printf("%s",p);
return 0;
}
strpbrk
使用 charles
s作为分隔符, 并且 >>"
不是一个字符, 所以您不能将它作为分隔符使用。 既然您已经有 & gt;
作为分隔符, 当您看到一行中的两行时, 您可以把它变成一个特殊例子 。
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