1 //1234 a 2 #include <stdio.h> 3 int main() { 4 FILE *f = fopen("stdio/fscanf_offby1.c", "r"); 5 int x; 6 fscanf(f, "//%d", &x); 7 printf("%d, %ld, %d\n", x, ftell(f), fgetc(f)); 8 } 9