diff options
author | michaels <michaels@cvs.openbsd.org> | 1996-09-29 01:26:18 +0000 |
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committer | michaels <michaels@cvs.openbsd.org> | 1996-09-29 01:26:18 +0000 |
commit | 854ae272c5ef8eefd4de5b37a41adc8fa49249a2 (patch) | |
tree | 66fa1bdbcf8970f42c024008eb6faa4d3dd1de80 /lib/libc/stdio/printf.3 | |
parent | 71359bbabe7c9889a72c2144a046db9b59d38cbf (diff) |
Document printf addition. From Mark Diekhans (markd@grizzly.com).
Diffstat (limited to 'lib/libc/stdio/printf.3')
-rw-r--r-- | lib/libc/stdio/printf.3 | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/lib/libc/stdio/printf.3 b/lib/libc/stdio/printf.3 index d5d35c59254..319a4fdc89f 100644 --- a/lib/libc/stdio/printf.3 +++ b/lib/libc/stdio/printf.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: printf.3,v 1.2 1996/08/19 08:32:57 tholo Exp $ +.\" $OpenBSD: printf.3,v 1.3 1996/09/29 01:26:17 michaels Exp $ .\" .\" Copyright (c) 1990, 1991, 1993 .\" The Regents of the University of California. All rights reserved. @@ -171,6 +171,17 @@ After the the following appear in sequence: .Bl -bullet .It +An optional field, consisting of a decimal digit string followed by a +.Cm $ , +specifying the next argument to access. +If this field is not provided, the argument following the last +argument accessed will be used. +Arguments are numbered starting at +.Cm 1 . +If unaccessed arguments in the format string are interspersed with +ones that are accessed the results will be indeterminate. + +.It Zero or more of the following flags: .Bl -hyphen .It @@ -389,6 +400,8 @@ A character that specifies the type of conversion to be applied. A field width or precision, or both, may be indicated by an asterisk .Ql * +or an asterisk followed by one or more decimal digits and a +.Ql $ instead of a digit string. In this case, an @@ -397,6 +410,8 @@ argument supplies the field width or precision. A negative field width is treated as a left adjustment flag followed by a positive field width; a negative precision is treated as though it were missing. +If a single format directive mixes positional (nn$) and +non-positional arguments, the results are undefined. .Pp The conversion specifiers and their meanings are: .Bl -tag -width "diouxX" |