bsd man page for access

ACCESS(3F)																ACCESS(3F)

NAME
       access - determine accessibility of a file

SYNOPSIS
       integer function access (name, mode)
       character*(*) name, mode

DESCRIPTION
       Access  checks  the given file, name, for accessibility with respect to the caller according to mode.  Mode may include in any order and in
       any combination one or more of:

		    r	   test for read permission
		    w	   test for write permission
		    x	   test for execute permission
		 (blank)   test for existence

       An error code is returned if either argument is illegal, or if the file cannot be accessed in all of the specified modes.  0 is returned if
       the specified access would be successful.

FILES
       /usr/lib/libU77.a

SEE ALSO
       access(2), perror(3F)

BUGS
       Pathnames can be no longer than MAXPATHLEN as defined in <sys/param.h>.

4.2 Berkeley Distribution					   May 27, 1986 							ACCESS(3F)