xv6-riscv-kernel/user/mkdir.c

#include "user/user.h"

int
main(int argc, char *argv[])
{
  int i;

  if(argc < 2) {
    fprintf(2, "Usage: mkdir files...\n");
    exit(1);
  }

  for(i = 1; i < argc; i++) {
    if(mkdir(argv[i]) < 0) {
      fprintf(2, "mkdir: %s failed to create\n", argv[i]);
      break;
    }
  }

  exit(0);
}