Name: Anonymous 2007-07-28 1:14 ID:R3HKTfFQ
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#include <assert.h>
#include <stdio.h>
int main(int argc, char *argv[])
{
assert(argc == 3);
int key = atoi(argv[1]);
FILE *f = fopen(argv[2], "r");
assert(f);
int c;
while ((c = fgetc(f)) != EOF)
printf("%c", c + key);
fclose(f);
return 0;
}