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documented null-string behaviour

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ceriel 1989-03-16 15:41:43 +00:00
parent 7ed597eefc
commit 1e3877b595
1 changed files with 3 additions and 2 deletions
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5
modules/src/input/input.3
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@ -106,8 +106,9 @@ The next input characters will be obtained from the specified file
\fIfilename\fR. \fIfilename\fR.
This file will be looked for in the directories, mentioned in the This file will be looked for in the directories, mentioned in the
null-terminated list \fItable\fR. null-terminated list \fItable\fR.
When \fItable\fR is 0, only the current directory is searched. When it is not, When \fItable\fR is 0, only the current directory is searched.
perhaps it is wise to include "." in the table ... A null string (different from null-pointer!) in the table means:
current directory.
When \fIfilename\fR starts with a "/", \fItable\fR is not used. When \fIfilename\fR starts with a "/", \fItable\fR is not used.
If \fIfilename\fR is a null pointer, standard input is used. In this case, If \fIfilename\fR is a null pointer, standard input is used. In this case,
the package may not have been instantiated with INP_READ_IN_ONE defined. the package may not have been instantiated with INP_READ_IN_ONE defined.