kolibrios/programs/develop/ktcc/trunk/samples/files/FILES.C

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#include <stdio.h>
#include <stdlib.h>
int main(int argc, char **argv)
{
int i;
char c;
FILE *f;
FILE *fin;
FILE *fout;
//write to file
f=fopen("testfile.txt","w");
for(i=0;i<50;i++)
{
fputc('1',f);
}
fclose(f);
//append to file
f=fopen("testfile.txt","a");
for(i=0;i<50;i++)
{
fputc('2',f);
}
fclose(f);
//copy from testfile.txt to copyfile.txt
fin=fopen("testfile.txt","r");
fout=fopen("copyfile.txt","w");
while((c=fgetc(fin))!=EOF)
{
fputc(c,fout);
}
fclose(fin);
fclose(fout);
}