我正在尝试为有关结构的分配创建一个程序。这个想法是创建一个包含名字和姓氏、电话号码和电子邮件地址的变量的结构。我认为我的大部分代码都还可以——与 C 的现代编码标准相比,这可能是基本的,但这是我在课堂上的位置。
无论如何,我在尝试初始化电子邮件地址字段的 5 行中遇到编译错误,指出分配中的类型不兼容。但是,我在名字或姓氏字段上没有收到这些错误,我不明白为什么。
非常感谢您对为什么会发生这种情况的任何想法或程序其余部分的错误!在修复此编译错误之前,我无法真正调试其余部分,所以我不确定还有什么问题。
#include <stdio.h>
#include <string.h>
/*****************************************
Structure declaration, creating type cont
*****************************************/
typedef struct contact {
char fname[20];
char lname[20];
int number[10];
char email[30];
} cont;
/*****************************************
Start of main function
*****************************************/
int main() {
int iMenu; //variable required for the menu
int iStorage; //variable used to store array entry chosen by the user
int iEntry1, iEntry2, iEntry3, iEntry4, iEntry5 = 0; //variables used for flagging assigned entries
/*******************************************
because of the typedef declaration, the struct command
isn't necessary in creating an instance of the structure.
*******************************************/
cont myContact[4];
/*******************************************
we initialize the arrays contained within the structures
*******************************************/
strcpy(myContact[0].fname, "\0");
strcpy(myContact[0].lname, "\0");
myContact[0].number = 0;
strcpy(myContact[0].email, "\0");
strcpy(myContact[1].fname, "\0");
strcpy(myContact[1].lname, "\0");
myContact[1].number = 0;
strcpy(myContact[1].email, "\0");
strcpy(myContact[2].fname, "\0");
strcpy(myContact[2].lname, "\0");
myContact[2].number = 0;
strcpy(myContact[2].email, "\0");
strcpy(myContact[3].fname, "\0");
strcpy(myContact[3].lname, "\0");
myContact[3].number = 0;
strcpy(myContact[3].email, "\0");
strcpy(myContact[4].fname, "\0");
strcpy(myContact[4].lname, "\0");
myContact[4].number = 0;
strcpy(myContact[4].email, "\0");
/*****************************************
Creation of the menu to allow the users
to add entries or view them
*****************************************/
while (iMenu != 3) {
printf("Please select one of the following menu options: \n");
printf("\n1. Input new entries into the phonebook");
printf("\n2. View entries stored in the phonebook");
printf("\n3. Exit the Program\n");
scanf("%d", &iMenu);
/*******************************************
First menu option allows the selection of which
entry, and the storage of phonebook data
********************************************/
if (iMenu == 1) {
printf("Please input the entry in the phonebook you wish to change (0-4): \n");
scanf("%d", iStorage);
printf("Please input the first name of your new contact: \n");
scanf("%s", myContact[iStorage].fname);
printf("Please input the last name of your new contact: \n");
scanf("%s", myContact[iStorage].lname);
printf("Please input the phone number of your new contact: \n");
scanf("%d", myContact[iStorage].number);
printf("Please input the e-mail address of your new contact: \n");
scanf("%s", myContact[iStorage].email);
/**************************************
Nested if statement sets the variable to
flag if an entry has been made
**************************************/
if (iStorage == 0)
iEntry1 = 1;
else if (iStorage == 1)
iEntry2 = 1;
else if (iStorage == 2)
iEntry3 = 1;
else if (iStorage == 3)
iEntry4 = 1;
else if (iStorage == 4)
iEntry5 = 1;
}
/***************************************
Menu option 2 allows the user to display
stored phonebook entries, using the iEntry
variables as flags to determine which ones
to display
***************************************/
else if (iMenu == 2) {
if (iEntry1 == 1)
printf("%s %s phone number: %d e-mail address: %s", myContact[0].fname, myContact[0].lname, myContact[0].number, myContact[0].email);
if (iEntry2 == 1)
printf("%s %s phone number: %d e-mail address: %s", myContact[1].fname, myContact[1].lname, myContact[1].number, myContact[1].email);
if (iEntry3 == 1)
printf("%s %s phone number: %d e-mail address: %s", myContact[2].fname, myContact[2].lname, myContact[2].number, myContact[2].email);
if (iEntry4 == 1)
printf("%s %s phone number: %d e-mail address: %s", myContact[3].fname, myContact[3].lname, myContact[3].number, myContact[3].email);
if (iEntry5 == 1)
printf("%s %s phone number: %d e-mail address: %s", myContact[4].fname, myContact[4].lname, myContact[4].number, myContact[4].email);
}
else if (iMenu > 3) {
printf("Invalid Entry.");
}
}
return 0;
}