两个辅助指针变量截取字符串

 1 #include <stdlib.h>
 2 #include <string.h>
 3 #include <stdio.h>
 4 int splitString(const char *buf1, char c, char buf2[10][30], int *count)
 5 {
 6     char *p=NULL, *pTmp = NULL;
 7     int    tmpcount = 0;
 8     //1. p和ptmp初始化
 9     p = buf1;
10     pTmp = buf1;
11     do
12     {
13         //2.检索符合条件的位置p后移形成差值挖字符串
14         p = strchr(p, c);
15         if (p != NULL)
16         {
17             if (p-pTmp > 0)
18             {
19                 strncpy(buf2[tmpcount], pTmp,  p-pTmp);
20                 buf2[tmpcount][p-pTmp]  = ‘\0‘;  //把第一行数据变成 C风格字符串
21                 tmpcount ++;
22                 //3.重新让p和ptmp达到下一次检索的条件
23                 pTmp = p = p + 1;
24             }
25         }
26         else
27         {
28             break;
29         }
30     } while (*p!=‘\0‘);
31 
32     *count = tmpcount;
33     return 0;
34 }
35 int main(int argc,char *argv)
36 {
37     int ret = 0, i = 0;
38     char *p1 = "abcdef,acccd,eeee,aaaa,e3eeeee,sssss,";
39     char cTem= ‘,‘;
40     int nCount;
41     char myArray[10][30];
42 
43     ret = splitString(p1, cTem, myArray, &nCount);
44 
45     if (ret != 0)
46     {
47         printf("fucn spitString() err: %d \n", ret);
48         return ret;
49     }
50     for (i=0; i<nCount; i++ )
51     {
52         printf("%s \n", myArray[i]);
53     }
54     printf("Split complete\n");
55     return ;
56 }