이것이 c언어다. 15장 인사말정렬

인사말을 입력받고, 사전순으로 정렬해서 출력하기.

#include <stdio.h>

#include <string.h>

void initIntro(char (*szIntro)[80], char **pIntro);

int inputIntro(char (*szIntro)[80]);

void sortIntro(char **pIntro, int nCount);

void printIntro(int mode, void *vp, int nCount);

int main(void)

{

    char szIntro[10][80]; //인사말저장배열

    char *pIntro[10]; //인사말위치저장 배열

    int nCount;

    initIntro(szIntro,pIntro);

    nCount = inputIntro(szIntro);

    sortIntro(pIntro, nCount);

    printIntro(1,pIntro,nCount);

    printIntro(0,szIntro,nCount);

    return 0;

}

void initIntro(char (*szIntro)[80], char **pIntro) // szIntro에 주소값들을 pIntro에 연결해주는 함수야.

{

    int i;

    for(i=0;i<10;i++)

    {

        pIntro[i] = szIntro[i];

    }

}

int inputIntro(char (*szIntro)[80])

{

    int nCount = 0;

    printf("enter the introduction(EXIT : end) : ");

    while(strcmp( gets(szIntro[nCount]), "end") != 0)

    {

        printf("enter the introduction(EXIT : end) : ");

        nCount++;

    }

    return nCount;

}

void sortIntro(char **pIntro, int nCount)

{

    int i, k;

    char *pTemp;

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

    {

        for(k=i+1;k<nCount;k++)

        {

            if(strcmp( pIntro[i], pIntro[k]) > 0)

            {

                pTemp = pIntro[i];

                pIntro[i] = pIntro[k];

                pIntro[k] = pTemp;

            }

        }

    }

}

void printIntro(int mode, void *vp, int nCount)

{

    int i;

    if(mode == 0)

    {

        printf("#print order to inputed.\n");

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

        {

            printf("%s\n",((char (*)[80])vp)[i]);

        }

        printf("\n");

    }

    else if(mode == 1)

    {

        printf("#print order to dictionary.\n");

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

        {

            printf("%s\n",((char **)vp)[i]);

        }

        printf("\n");

    }

}