http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_programming&no=3422 [º¹»ç]
gcc ·Î ÄÄÆÄÀϽÿ¡
jack2@Security:~/¹ÙÅÁȸé/C/study_Cube/project$ gcc -o confirm conf
irm.c
confirm.c:10: warning: ¡®index¡¯ initialized and declared ¡®extern¡¯
confirm.c:10: error: ¡®index¡¯ redeclared as different kind of symbol
¾Æ·¡¿Í °°Àº ¿À·ù°¡ »ý°Ü¼ ÄÄÆÄÀÏÀÌ ¾ÈµÇ´Âµ¥ ±¸±Û¸µÀ» Çصµ ÀÌÇØ°¡ ¾ÈµÇ¼ ±×·±µ¥
Ȥ½Ã ¾Æ½Ã´Â ºÐ ÀÖÀ¸½Ã¸é µµ¿ÍÁÖ¼¼¿ä? ¤Ð.¤Ð
Error°¡ ¹ß»ýÇÏ´Â ºÎºÐÀº extern int index=0; ÀÎ °Í °°°í¿ä
ÄÚµå ³»¿ëÀº ¾Æ·¡¿Í °°½À´Ï´Ù.
#include <stdio.h>
#include <stdio_ext.h> //__fpurge(stdin) »ç¿ë½Ã Àû¿ë
#include <stdlib.h>
#include <string.h>
#define NAME_LEN 20 //ȸ¿ø¸íÀÇ ±æÀÌ
#define PW_LEN 20 //ºñ¹Ð¹øÈ£ ±æÀÌ
#define MEMBER_COUNT 100//ȸ¿ø¼ö
extern int index=0;
typedef struct Member
{
char name[NAME_LEN]; //ȸ¿ø¸í
int number; //Çйø
char passwd[PW_LEN]; // ºñ¹Ð¹øÈ£
}MEMBER;
int Menu();
void Regist_Member(MEMBER *p);
void Display_MemberInfo(const MEMBER *p);
void Edit_Member(MEMBER *p);
void Sort_Member(MEMBER *p);
void Search_Member(MEMBER *p);
void Delete_Member(MEMBER *p);
int main()
{
MEMBER m[MEMBER_COUNT]={0};
while(1)
{
system("clear");
switch(Menu())
{
case 1: Regist_Member(m); break;
case 2: Display_MemberInfo(m); break;
case 3: Edit_Member(m); break;
case 4:
system("clear");
printf("\n\n\t\t** µµ¼Á¤º¸ Á¤·Ä **\n\n");
Sort_Member(m);
printf("\n\n\t\tÁ¤·Ä ¿Ï·á..!!\n\n");
system("pause");
break;
case 5: Search_Member(m); break;
case 6: Delete_Member(m); break;
case 0:
printf("\n\n\t\t ÇÁ·Î±×·¥À» Á¾·áÇÕ´Ï´Ù.\n\n");
exit(0);
}
}
return 0;
}
// ȸ¿ø°ü¸® ÇÁ·Î±×·¥ ½ÃÀÛ È¸é
int Menu()
{
int choice;
printf(
"\n\n\t\t** ȸ¿ø°ü¸® ÇÁ·Î±×·¥ **\n"
"\t\t-------------------------\n"
"\t\t1. ȸ¿ø °¡ÀÔ\n"
"\t\t2. ȸ¿ø Á¤º¸ Ãâ·Â\n"
"\t\t3. ȸ¿ø Á¤º¸ ¼öÁ¤\n"
"\t\t4. ȸ¿ø Á¤º¸ Á¤·Ä\n"
"\t\t5. ȸ¿ø Á¤º¸ °Ë»ö\n"
"\t\t6. ȸ¿ø Å»Åð\n"
"\t\t0. ÇÁ·Î±×·¥ Á¾·á\n"
"\t\t-------------------------\n"
"\t\t¼±Åà : [ ]\b\b"
);
scanf("%d",&choice);
system("clear");
return choice;
}
// 1. ȸ¿ø °¡ÀÔ
void Regist_Member(MEMBER *p)
{
int i;
char name[NAME_LEN];
char yn; //yes or no ¼±Åýà ¹Þ±â
system("cls");
if(index<MEMBER_COUNT)
{
for(;index<MEMBER_COUNT;)
{
start:
system("cls");
printf("ȸ¿ø¸í : ");
__fpurge(stdin); //fflush(stdin);
gets(name);
for(i=0;i<index;i++)
{
if(strcmp(p[i].name, name)==0)
{
printf("ÀÌ¹Ì µî·ÏµÈ ȸ¿øÀÔ´Ï´Ù!!\n");
system("pause");
goto start;
}
}
strcpy(p[index].name, name);
printf("ºñ¹Ð¹øÈ£: ");
__fpurge(stdin);
gets(p[index].passwd);
printf("ÇÐ ¹ø: ");
scanf("%d", &p[index].number);
index++;
printf("\n´ÙÀ½ ȸ¿øÀÌ °¡ÀԵǾú½À´Ï´Ù\n");
printf("ȸ¿ø¸í : %s\n", p[index-1].name);
printf("ÇÐ ¹ø : %d\n", p[index-1].number);
printf("\nÃß°¡ ÀÔ·ÂÇϽðڽÀ´Ï±î(Y/N)? ");
__fpurge(stdin);
scanf("%c", &yn);
if(yn=='Y'||yn=='y')
{
if(index<MEMBER_COUNT)
{
continue;
}
else
{
system("clear");
printf("´õ ÀÌ»ó ȸ¿øÀ» µî·ÏÇÒ ¼ö ¾ø½À´Ï´Ù. °ü¸®ÀÚ¿¡°Ô ¹®ÀÇÇϼ¼¿ä\n");
system("pause");
return;
}
}
else
{
return;
}
}
}
else
{
printf("´õ ÀÌ»ó ȸ¿øÀ» µî·ÏÇÒ ¼ö ¾ø½À´Ï´Ù. °ü¸®ÀÚ¿¡°Ô ¹®ÀÇÇϼ¼¿ä\n");
system("pause");
}
}
void Display_MemberInfo(const MEMBER *p)
{
}
void Edit_Member(MEMBER *p)
{
}
void Sort_Member(MEMBER *p)
{
}
void Search_Member(MEMBER *p)
{
}
void Delete_Member(MEMBER *p)
{
} |
Hit : 5061 Date : 2012/05/23 12:05
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