#include<stdio.h>
#include<stdlib.h>

FILE *fp1,*fp2;

int main(int argc,char *argv[])
{
         if(argc!=4){
              printf("명령어 원본파일 복사파일 줄수 순서로 입력해!/n")
              return -1;
         }    
         FILEOPEN_1();
         FILECOPY(fp1,fp2);
         FCLOSE();
}

void FILEOPEN_1(void)
{
         fp1 = fopen("argv[1]","r");
         fp2 = fopen("argv[2]","w");
}

void FILECOPY(char fil_1[],char fil_2[])
{
         int a,line_number;
         char ch;

         a = atoi(argv[3]);
         line_number=0;

         while(feof(fil_1)==0){
                 ch=fgetc(fil_1);
                 putchar(ch);
                    if(ch=='\n'){
                        line_number++;
                             if(line_number==a)break;
                    }
                 fputc(ch,fil_2);
         }

void FILECLOSE()
{
         fclose(fp1);
         fclose(fp2);
}