이것이 c언어다. 16장 끝말잇기

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

int compareLastChar(char *szSavedWord[100], char* szWordTemp,int nCount);

void printData(char *szSavedWord[100],int nCount);

int main(void)

{

    char *szSavedWord[100];

    char szWordTemp[80];

    int nCount = 0;

    int flag;

    int i;

    while(1)

    {

        printf("enter a Word (EXIT : end) : ");

        gets(szWordTemp);

        if(strcmp(szWordTemp,"end") == 0)break;

        if(nCount == 0)

        {

            szSavedWord[nCount] = (char*)malloc(sizeof(szWordTemp)+1);

            strcpy(szSavedWord[nCount],szWordTemp);

            nCount++;

        }

        else

        {

            flag = compareLastChar(szSavedWord,szWordTemp,nCount);

            if(flag == 0) // 끝말이 다르면

            {

                printf("this can't accept.\n");

            }

            else

            {

                szSavedWord[nCount] = (char*)malloc(sizeof(szWordTemp)+1);

                strcpy(szSavedWord[nCount],szWordTemp);

                for(i=0;i<nCount;i++)

                {

                    if ( strcmp(szSavedWord[i],szWordTemp) == 0) // 단어 중복검사

                    {

                        printf("this Word was entered.\n");

                        nCount--;

                    }

                }

                nCount++;

            }

        }

    }

    printData(szSavedWord,nCount);

    return 0;

}

int compareLastChar(char *szSavedWord[100], char* szWordTemp,int nCount)

{

    char chFirstch;

    char chLastch;

    int nLastWordSize;

    nLastWordSize = strlen(szSavedWord[nCount-1])-1;

    chFirstch = szWordTemp[0];

    chLastch = szSavedWord[nCount-1][nLastWordSize];

    if(chFirstch == chLastch)

        return 1;

    else

        return 0;

}

void printData(char *szSavedWord[100],int nCount)

{

    int i;

    for(i=0;i<nCount;i++)

    {

        printf("%s  ",szSavedWord[i]);

    }

    printf("\n");

}