pathfind(3G)pathfind(3G)NAMEpathfind() - search for named file in named directories
SYNOPSISDESCRIPTION
searches the directories named in path for the file name. The directo‐
ries named in path are separated by colons. mode is a string of option
letters chosen from the set
Letter Meaning
───────────────────────────
r readable
w writable
x executable
f normal file
b block special
c character special
d directory
p FIFO (pipe)
u set user ID bit
g set group ID bit
k sticky bit
s size nonzero
Options read, write, and execute are checked relative to the real (not
the effective) user ID and group ID of the current process.
If the file name, with all the characteristics specified by mode, is
found in any of the directories specified by path, then returns a
pointer to a string containing the member of path, followed by a slash
character followed by name.
If name begins with a slash, it is treated as an absolute path name,
and path is ignored.
An empty path member is treated as the current directory. is not
prepended at the occurrence of the first match; rather, the unadorned
name is returned.
To use this interface, link in the libgen library by specifying For
example:
RETURN VALUE
If no match is found, returns a null pointer,
EXAMPLES
To find the command using the environment variable:
WARNINGS
The string pointed to by the returned pointer is stored in a static
area that is reused on subsequent calls to
SEE ALSOsh(1), test(1), access(2), mknod(2), stat(2), getenv(3C),
thread_safety(5).
pathfind(3G)
