#define _POSIX_C_SOURCE 200809L

#include <unistd.h>

int main(int argc, char * argv[]) {
  char c;
  int recurse = 0; /* -R */
  /* 0: -P, 01: -L, 02: -H */
  int recurse_follow = 0;
  int follow_link = 0; /* -h */

  while((c = getopt(argc, argv, "RHLPh")) != -1) {
    switch(c) {
      case 'R': recurse = 1; break;
      case 'P': recurse_follow = 0; break;
      case 'L': recurse_follow = 01; break;
      case 'H': recurse_follow = 02; break;
      case 'h': follow_link = 1; break;
    }
  }
}