| Name |
Definition |
Problem Likelihood |
| POSIX pathconf variables |
LINK_MAX |
Maximum number of links to a file or directory |
Possible |
| MAX_CANNON |
Maximum length of formatted terminal input line |
Not Likely |
| MAX_INPUT |
Maximum length of a raw terminal input line |
Not Likely |
| NAME_MAX |
Maximum length of a name of a file or directory |
Possible |
| PATH_MAX |
Maximum length of a pathname |
Possible |
| PIPE_BUF |
Size of the pipe buffer (FIFO file) |
Not Likely |
| CHOWN_RESTRICTED |
POSIX chown restriccted/unrestricted state |
Possible |
| NO_TRUNC |
Flag for file name longer than NAME_MAX returning an error |
Possible |
| VDISABLE |
Flag for enabling turn-off of special processing on a terminal |
Not Likely |
| POSIX sysconf variables* |
| LINE_MAX |
Maximum length of a utility's input line, either from STDIN or a file |
Possible |
*All other sysconf variables do not apply to filesystems, so they have a minimal chance of causing problems. 
