root/include/linux/limits.h

/* */

INCLUDED FROM

   1 #ifndef _LINUX_LIMITS_H
   2 #define _LINUX_LIMITS_H
   3 
   4 #define NR_OPEN          256
   5 
   6 #define NGROUPS_MAX       32    /* supplemental group IDs are available */
   7 #define ARG_MAX       131072    /* # bytes of args + environ for exec() */
   8 #define CHILD_MAX        999    /* no limit :-) */
   9 #define OPEN_MAX         256    /* # open files a process may have */
  10 #define LINK_MAX         127    /* # links a file may have */
  11 #define MAX_CANON        255    /* size of the canonical input queue */
  12 #define MAX_INPUT        255    /* size of the type-ahead buffer */
  13 #define NAME_MAX         255    /* # chars in a file name */
  14 #define PATH_MAX        1024    /* # chars in a path name */
  15 #define PIPE_BUF        4095    /* # bytes in atomic write to a pipe */
  16 
  17 #endif

/* */