t44.c

c语言小程序100个

#include<stdio.h>
#include<string.h>
#include<conio.h>

char xx[20][80];

void jsSort()
{
}

void main()
{
readDat();
jsSort();
writeDat();
system("pause");
}

readDat()
{
FILE *in;
int i=0;
char *p;

in=fopen("in.dat","r");
while(i<20&&fgets(xx[i],80,in)!=NULL){
p=strchr(xx[i],'\n');
if(p)*p=0;
i++;
}
fclose(in);
}

writeDat()
{FILE *out;
int i;

clrscr();
out=fopen("out.dat","w");
for(i=0;i<20;i++){
printf("%s\n",xx[i]);
fprintf(out,"%s\n",xx[i]);
}
fclose(out);
}