Appends one file to another

/*appends one file to another*/
#include
main()
{
char c;
FILE *fp1,*fp2;
/*assume that files,source1.c and source2.c exit already*/
fp1=fopen("source1.c","a");
fp2=fopen("source2.c","r");
c=fgetc(fp2);
while(c!=EOF)
{
fputc(c,fp1);
c=fgetc(fp2);
}
fclose(fp1);

fclose(fp2);
}