#include <stdio.h> | |
#include <errno.h> | |
void print_int(FILE *f, int i) | |
{ | |
if (fprintf(f, "%d\n", i)<0) | |
perror("print_int"); | |
} | |
int read_int(FILE *f) | |
{ | |
int i; | |
if (fscanf(f, "%d", &i)!=1) { | |
fprintf(stderr, "read_int: error reading from file\n"); | |
perror("read_int"); | |
} | |
return i; | |
} |