急请指教:
我写了一段程序,可是运行不了,请问问题出在哪里了.程序如下:
#include <stdio.h>
int n,i;
char *str;
char buffer[2700000];
main()
{
FILE *f_in,*f_out;
f_in=fopen("1000.txt","r");
f_out=fopen("1001.txt","w");
fgets(buffer, 2700000, f_in);
replace(str, str + n, ',', '|');
replace(str,str+i,'\"',"");
fputs(buffer, f_out);
return 0;
}