aocc22

Advent of Code 2022
git clone git://www.tkruger.se/aocc22.git
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common.c (293B)

      1 #include "common.h"
      2 
      3 int readfour(uint64_t *v, FILE *fp) {
      4   if (read_next_u64(&v[0], fp) == EOF)
      5     return EOF;
      6   if (read_next_u64(&v[1], fp) == EOF)
      7     return EOF;
      8   if (read_next_u64(&v[2], fp) == EOF)
      9     return EOF;
     10   if (read_next_u64(&v[3], fp) == EOF)
     11     return EOF;
     12   return 0;
     13 }