玩玩而已——gcc 编译 c 字符串处理

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void bowchar(char* chp,int*a1,int* a2,int*b)
{
    int len = strlen(chp);
    int i=0;
    char ch;
    //printf("str = %s & len = %d\n",chp,len);
    if(len>0)
    {
        for(i=0;i<len;i++)
        {
            if(*(chp+i)=='.'||*(chp+i)=='\0')
                break;
        }
        //printf("i = %d",i);
        *(chp+i) = '\0';
        if(len>i+6)
            *(chp+i+6) = '\0';
        if(i>9)
        {
            ch = *(chp+(i-8));
            *(chp+(i-8)) = '\0';
            //printf("str1-1 = %s",chp);
            //printf("%d",atoi(chp));
            *a1 = atoi(chp);
            *(chp+(i-8)) = ch;
            //printf("str1-1 = %s",chp+(i-8));
            *a2 += atoi(chp+(i-8));
        }
        else{
            *a1 = 0;
            *a2 = atoi(chp);
        }
        //printf("str1 = %s & int = %d%d\n",chp,*a1,*a2);
        *b = atoi(chp+i+1);
        //printf("str2 = %s & int = %d\n\n",chp+i+1,*b);
    }
    else{
        *a1=0;
        *a2=0;
        *b=0;
    }
}
int main(char* args[])
{
    int t1,t11,t2,k1,k11,l;
    char a[30]={'\0'};
    char b[30]={'\0'};
    char c[30]={'\0'};
    char d[30]={'\0'};
    int n=1;
    char cha[20];
    char ch = '\0';
    while(scanf("%s%s%s%s",a,b,c,d)!=EOF)
    {
        k1 = 0,k11 = 0,l = 0;

        bowchar(a,&t1,&t11,&t2);
        k1+=t1;k11+=t11;l+=t2;

        bowchar(b,&t1,&t11,&t2);
        k1+=t1;k11+=t11;l+=t2;

        bowchar(c,&t1,&t11,&t2);
        k1+=t1;k11+=t11;l+=t2;

        bowchar(d,&t1,&t11,&t2);
        k1+=t1;k11+=t11;l+=t2;
        
        k1+=(k11/100000000);
        k11 = k11%100000000;
        
        printf("Case %d:\n",n);
        if(k1) printf("%d",k1);
        printf("%d\n",k11);
        if(l)
        {
            printf(".%d\n",l);
        }
        n++;
        memset(a,ch,20);
        memset(b,ch,20);
        memset(c,ch,20);
        memset(d,ch,20);
    }
    return 0;
}