Manual Reference Pages - XTFINDFILE (3)
XtFindFile - search for a file using substitutions in the path list
String XtFindFile(String path, Substitution substitutions,
Cardinal num_substitutions, XtFilePredicate predicate);
Specifies a path of file names, including substitution characters.
Specifies a list of substitutions to make into a path.
Specifies the number of substitutions passed in.
Specifies a procedure to call to judge a potential file name, or NULL.
The path parameter specifies a string that consists of a series of
potential file names delimited by colons. Within each name, the
percent character specifies a string substitution selected by the
following character. The character sequence %: specifies an
embedded colon that is not a delimiter; the sequence is replaced by a
single colon. The character sequence %% specifies a percent
character that does not introduce a substitution; the sequence is
replaced by a single percent character. If a percent character is
followed by any other character,
looks through the
specified substitutions for that character in the match field and if
found replaces the percent and match characters with the string in the
corresponding substitution field. A substitution field entry of NULL
is equivalent to a pointer to an empty string. If the operating
system does not interpret multiple embedded name separators in the
path (i.e., / in POSIX) the same way as a single separator,
will collapse multiple separators into a single one after performing
all string substitutions. Except for collapsing embedded separators,
the contents of the string substitutions are not interpreted by
and may therefore contain any operating-system-dependent
characters, including additional name separators. Each resulting
string is passed to the predicate procedure until a string is found for
which the procedure returns
this string is the return value for
If no string yields a
return from the predicate,
If the predicate parameter is NULL, an internal procedure that checks
if the file exists, is readable, and is not a directory will be used.
It is the responsibility of the caller to free the returned string using
when it is no longer needed.
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface
|X Version 11 ||XTFINDFILE (3) ||libXt 1.1.5 |
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