13.1.cpp

c入门代码大全

# include <stdio.h>
# include <stdlib.h>
int main()
{

    FILE *fp ;
    char ch , filename[10] ;
    scanf("%s" , filename) ;
    if((fp = fopen(filename , "w")) == NULL)
      {
          
          printf("cannot open file\n");
          exit(0) ;
      }
    ch = getchar() ;
    ch = getchar() ;
    while(ch!='#')
      {
      
        fputc(ch , fp) ;
        putchar(ch) ;
        ch = getchar() ;
      
      }
    putchar(10) ;
    fclose(fp) ;
    getchar();
    getchar();
    return 0 ;
    


}