text: #pragma once
  
  #define EPERM            1	/* Operation not permitted */
  #define EAGAIN           2	/* Try again */
  #define ENOMEM           3	/* Out of memory */
  #define EACCES           4	/* Permission denied */
  #define EINVAL           5	/* Invalid argument */
  #define EFBIG            6	/* File too large */
  #define ENOSPC           7	/* No space left on device */
  #define ENOSYS           8	/* Function not implemented */
  #define ENODATA          9	/* No data available */
  #define ETIME           10	/* Timer expired */
  #define ECAPBILITY      11	/* Invalid capability */
  #define ESUPPORT        12	/* Not supported */
  #define EBADSYSCALL     13	/* Bad syscall number */
  #define ENOMAPPING      14	/* Bad syscall number */
  #define ENOENT          15	/* Entry does not exist */
  #define EEXIST          16	/* Entry already exists */
  #define ENOTEMPTY       17	/* Dir is not empty */
  #define ENOTDIR         18	/* Does not refer to a directory */
  #define	EFAULT		19	/* Bad address */
  #define EBUSY           20
  
  #define EMAX            21
  
  #define ERR_PTR(x) ((void *)(s64)(x))
  #define PTR_ERR(x) ((long)(x))
  #define IS_ERR(x) ((((s64)(x)) < 0) && ((s64)(x)) > -EMAX)
  