指针 习题11-2 查找星期

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int getindex( char *s ){
     
    int i;
    char *week[7]={
     "Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"};
    for (i = 0; i < 7;i++){
     
        if(strcmp(s,week[i])==0){
     
            break;
        }
    }
    if(i>=7){
     
        return -1;
    }else{
     
        return i;
    }
}