Has Device in C

has_device.c

#include <sys/stat.h>

// 0: No Such Device, 1: Found Device
int has_device(char *path)
{
  struct stat buf;
  
  if (stat(path, &buf) < 0) {
    return 0;
  }
  
  printf("dev = %d/%d", major(buf.st_dev), minor(buf.st_dev));
  
  if (S_ISCHR(buf.st_mode) || S_ISBLK(buf.st_mode)) {
    printf("(%s) rdev = %d/%d", (S_ISCHR(buf.st_mode)) ? "char" : "block", major(buf.st_rdev), minor(buf.st_rdev));
    return 1;
  }
  
  return 0;
}