PATH_MAX
Include the <limits.h> or <sys/param.h> header files.
PIPE_BUF
| POSIX.1-2001 | 512 | limits.h [1] |
| POSIX.1-2004 | 512 | limits.h [2] |
| POSIX.1-2008 | 512 | limits.h [3] |
| Linux | 4,096 | linux/limits.h [4] |
| Mac OS X | 512 | sys/syslimits.h [5] |
| FreeBSD | 512 | sys/syslimits.h [6] |
| DragonFly BSD | 512 | sys/syslimits.h [7] |
| OpenBSD | 512 | sys/syslimits.h [8] |
| NetBSD | 512 | sys/syslimits.h [9] |
| MINIX 3 | 32,768 | sys/syslimits.h [10] |
| illumos | 5,120 | limits.h [11] |
| QNX Neutrino | 5,120 | limits.h [12] |
| OSv | 4,096 | api/limits.h [13] |
| Plan 9 | 8,192 | ape/sys/limits.h [14] |
| [1] | http://pubs.opengroup.org/onlinepubs/000095399/basedefs/limits.h.html |
| [2] | http://pubs.opengroup.org/onlinepubs/000095399/basedefs/limits.h.html |
| [3] | http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html |
| [4] | https://github.com/torvalds/linux/blob/master/include/uapi/linux/limits.h#L13 |
| [5] | http://src.gnu-darwin.org/src/sys/sys/syslimits.h.html |
| [6] | https://github.com/freebsd/freebsd/blob/master/sys/sys/syslimits.h#L64 |
| [7] | http://www.dragonflybsd.org/cvsweb/src/sys/sys/syslimits.h?rev=HEAD |
| [8] | http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/sys/syslimits.h?rev=HEAD&content-type=text/x-cvsweb-markup |
| [9] | http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/sys/syslimits.h?rev=HEAD&content-type=text/x-cvsweb-markup&only_with_tag=MAIN |
| [10] | https://github.com/minix3/minix/blob/master/sys/sys/syslimits.h#L62 |
| [11] | https://github.com/illumos/illumos-gate/blob/31c6d826a7f7a4ee7d83c8e99f25d82a4a248076/usr/src/head/limits.h#L91 |
| [12] | http://www.qnx.com/developers/docs/660/index.jsp?topic=%2Fcom.qnx.doc.neutrino.utilities%2Ftopic%2Fp%2Fpipe.html |
| [13] | https://github.com/cloudius-systems/osv/blob/master/include/api/limits.h#L42 |
| [14] | https://github.com/cao-xx/plan-9/blob/b27a35643e4ee0ede5ed91ecb3a4ed98f8164454/sys/include/ape/sys/limits.h#L24 |