.ds f. access.tbl
.TH ACCESS 3F
.UC
.SH NAME
access \- determine accessability of a file
.SH SYNOPSIS
.B integer function access (name, mode)
.br
.B character*(*) name, mode
.SH DESCRIPTION
.I Access
checks the given file,
.I name,
for accessability with respect to the caller according to
.I mode.
.I Mode
may include in any order and in any combination one or more of:
.sp 1
.TS
.if \n+(b.=1 .nr d. \n(.c-\n(c.-1
.de 35
.ps \n(.s
.vs \n(.vu
.in \n(.iu
.if \n(.u .fi
.if \n(.j .ad
.if \n(.j=0 .na
..
.nf
.nr #~ 0
.if n .nr #~ 0.6n
.ds #d .d
.if \(ts\n(.z\(ts\(ts .ds #d nl
.fc
.nr 33 \n(.s
.rm 80 81
.nr 80 0
.nr 38 \w\fBr\fR
.if \n(80<\n(38 .nr 80 \n(38
.nr 38 \w\fBw\fR
.if \n(80<\n(38 .nr 80 \n(38
.nr 38 \w\fBx\fR
.if \n(80<\n(38 .nr 80 \n(38
.nr 38 \w(blank)
.if \n(80<\n(38 .nr 80 \n(38
.80
.rm 80
.nr 81 0
.nr 38 \wtest for read permission
.if \n(81<\n(38 .nr 81 \n(38
.nr 38 \wtest for write permission
.if \n(81<\n(38 .nr 81 \n(38
.nr 38 \wtest for execute permission
.if \n(81<\n(38 .nr 81 \n(38
.nr 38 \wtest for existence
.if \n(81<\n(38 .nr 81 \n(38
.81
.rm 81
.nr 38 1n
.nr 79 0
.nr 40 \n(79+(0*\n(38)
.nr 80 +\n(40
.nr 41 \n(80+(3*\n(38)
.nr 81 +\n(41
.nr TW \n(81
.if t .if (\n(TW+\n(.o)>7.65i .tm Table at line 25 file access.tbl is too wide - \n(TW units
.nr #I \n(.i
.in +(\n(.lu-\n(TWu-\n(.iu)/2u
.fc  
.nr #T 0-1
.nr #a 0-1
.eo
.de T#
.ds #d .d
.if \(ts\n(.z\(ts\(ts .ds #d nl
.mk ##
.nr ## -1v
.ls 1
.ls
..
.ec
.ta \n(80u \n(81u 
.nr 31 \n(.f
.nr 35 1m
\&\h'|\n(40u'\fBr\fR\h'|\n(41u'test for read permission
.ta \n(80u \n(81u 
.nr 31 \n(.f
.nr 35 1m
\&\h'|\n(40u'\fBw\fR\h'|\n(41u'test for write permission
.ta \n(80u \n(81u 
.nr 31 \n(.f
.nr 35 1m
\&\h'|\n(40u'\fBx\fR\h'|\n(41u'test for execute permission
.ta \n(80u \n(81u 
.nr 31 \n(.f
.nr 35 1m
\&\h'|\n(40u'(blank)\h'|\n(41u'test for existence
.fc
.nr T. 1
.T# 1
.in \n(#Iu
.35
.TE
.if \n-(b.=0 .nr c. \n(.c-\n(d.-7
.sp 1
.PP
An error code is returned if either argument is illegal, or if the file
can not be accessed in all of the specified modes.
0 is returned if the specified access would be successful.
.SH FILES
.ie \nM /usr/ucb/lib/libU77.a
.el /usr/lib/libU77.a
.SH "SEE ALSO"
access(2), perror(3F)
.SH BUGS
Pathnames can be no longer than 128 bytes.