2016-11-29 72 views
2

工作正常,但跳過字符串名稱中的第一個字符。任何人都可以解釋我沒有看到什麼嗎?C程序跳過字符串中的第一個字符

#include "stdio.h" 
/* 
*BN 
*/ 
int main(void) { 
// Disable stdout buffering 
//setvbuf(stdout, NULL, _IONBF, 0); 

struct data { 
    char name[40]; 
    char street[50]; 
    char city[30]; 
    char state[3]; 
    char zip[6]; 
    float salary; 
}; 

struct data p = { 
scanf("%s %s %s %s %s %f", &p.name, &p.street, &p.city, &p.state, &p.zip, &p.salary) 
}; 

printf(" Name:%s\n Street:%s\n City:%s\n State:%s\n Zipcode:%s\n Salary:%.2f", p.name, p.street, p.city, p.state, p.zip, p.salary); 
return 0; 
} 
+6

因爲你如何初始化結構,這不是。 [詳細瞭解'scanf'](http://en.cppreference.com/w/c/io/fscanf),請密切關注它返回的內容。 –

+0

結構初始化不正確。檢查:http://stackoverflow.com/questions/330793/how-to-initialize-a-struct-in-accordance-with-c-programming-language-standards – Ehsan

+0

我同意它不是如何在c中初始化結構。但是有人能解釋爲什麼除了第一個字符之外,結構正確地初始化了嗎? – MayurK

回答

2

初始化您的結構,然後struct data p;你做的scanf

struct data p; 
scanf("%s%s%s%s%s%f", &p.name, &p.street, &p.city, &p.state, &p.zip, &p.salary); 

You can check some struct stuff here.

+1

這樣做謝謝!,我回顧了結構的正確初始化和進一步的scanf理解。謝謝大家! – rando

2

嗨,你去了錯誤的方式來初始化結構

使用此:

#include "stdio.h" 
/* 
*BN 
*/ 
int main(void) { 
    // Disable stdout buffering 
    //setvbuf(stdout, NULL, _IONBF, 0); 

    struct data { 
     char name[40]; 
     char street[50]; 
     char city[30]; 
     char state[3]; 
     char zip[6]; 
     float salary; 
    }; 

    struct data p;//Dont Initialize it here! 
    printf("Please Enter Name Street City State Zip Salary:"); 
    scanf("%s %s %s %s %s %f", &p.name, &p.street, &p.city, &p.state, &p.zip, &p.salary); 

    printf(" Name:%s\n Street:%s\n City:%s\n State:%s\n Zipcode:%s\n Salary:%.2f\n", p.name, p.street, p.city, p.state, p.zip, p.salary); 
    return 0; 
} 
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