strperm.3 revision da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.ds ;G \\*(;G\\f\\$1\\$3\\f\\$2
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.if !\\$4 .Af \\$2 \\$1 "\\$4" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.ie \\$3 .ft \\$1
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.nr ;G \\n(.f
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.Af "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.ft \\n(;G \}
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.aF 5 \\n(.f "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.aF 5 1 "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.aF 1 5 "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.de EX \" start example
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.ta 1i 2i 3i 4i 5i 6i
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.de EE \" end example
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.TH STRPERM 3
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinstrperm \- evaluate file permission expression
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.SH SYNOPSIS
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L "int strperm(char* s, char** e, int p)"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.SH DESCRIPTION
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinapplies a file permission expression in the nul-terminated string
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinto the initial file permission mask
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinThe new permission mask is returned.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinis set to point to the first unrecognized character in
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinA tape device specification is composed of one or more
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.I who-op-permission
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinterms separated by
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinselects portions of the permission bits and may be any combination of:
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinthe user permission bits;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinthe group permission bits;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinthe `other' permission bits;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinall permission bits.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinIf omitted, all permission bits are selected.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinspecifies how the original permission
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinis to be modified:
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinthe new bits are set in
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinthe new bits are cleared in
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinthe new bits are and'd with
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinthe select bits in
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinare set equal to the new bits
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinA permission expression term may also be an octal number.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinOctal specifications are inherently non-portable.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.IR chmod (1)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinfor an explanation of this form.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.SH "SEE ALSO"
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinchmod(1), ls(1), strmode(3)