加密程序.cpp

来自「C语言写的加密小程序 支持一下 用代换技术写的」· C++ 代码 · 共 26 行

#include<stdio.h>
void main()
{
char fn[256];
unsigned char c1;
int delt;
FILE *fp,*fp1;
printf("input filename:");
scanf("%s",fn);
fp=fopen(fn,"r");
fp1=fopen("result.txt","w");
while(feof(fp)==0)
{
fscanf(fp,"%c",&c1);
if(c1>=32 && c1<=126)
{
delt=c1-32;
c1=126-delt;
}

fprintf(fp1,"%c",c1);
}
::fclose(fp);
::fclose(fp1);
}