取分隔符域值

#include <string.h>
#include <stdio.h>
#include <stdlib.h>

int getField(char *szSrc,int iNum,char *szValue,int iFlag)
{
    char * phead = NULL; /*域首字符*/
    char * ptail = NULL; /*域尾字符*/
    int iLen = 0; /*域长度*/
/*    char chFlag = iFlag;*/
    printf("iFlag = %d\n", iFlag);
/*    printf("chFlag = %c\n", chFlag);*/
    char szFlag[2];
    memset(szFlag, 0, sizeof(szFlag));
/*    memcpy(szFlag, &chFlag, sizeof(char));*/
    sprintf(szFlag, "%c", iFlag);
    if(iNum < 0)
    {
        printf("域个数不对！\n");
        return -1;
    }
    phead = szSrc;
    while(1)
    {
        ptail = phead;
        while((*ptail) != '\0')
        {
            if((*ptail) & 0x80) /*是汉字*/
            {
                ptail = ptail+2;
            }
            else if(strncmp(ptail, szFlag, sizeof(char) * strlen(szFlag)) == 0) /*是分隔符*/
            {
                break;
            }
            else /*是字符*/
            {
                ptail++;
            }
        }
        if(0 == iNum)
         {
             iLen=ptail-phead;
             memcpy(szValue, phead, iLen);
             return 0;
         }
        else
        {
            iNum--;
            phead = ptail + 1;
            if((*phead) == '\0')
            {
                printf("域个数不对！\n");
                return -2;
            }
        }
    }
}

int main(int argc, char ** argv)
{
    if(argc != 2)
    {
        perror("参数错误！\n");
        return 0;
    }
    char szSrc[1024] = "dkjasf|1 23弢 123 |abc|bcd|网银|王珅|efg";
    char szValue[128];
    int iRc = 0;
    int iNum = 0;
    iNum=atoi(argv[1]);
    memset(szValue, 0, sizeof(szValue));
    printf("szSrc = %s\n", szSrc);
    iRc=getField(szSrc, iNum, szValue, '|');
    if(iRc < 0)
    {
        printf("域值为空\n");
        return 0;
    }
    printf("szValue = [%s]\n", szValue);
    return 0;
}