Section: Linux Programmer's Manual (3)
canonicalize_file_name - return the canonicalized absolute pathname
/* See feature_test_macros
char *canonicalize_file_name(const char *path);
function returns a null-terminated string containing
the canonicalized absolute pathname corresponding to
In the returned string, symbolic links are resolved, as are
characters are replaced by a single slash.
The returned string is dynamically allocated by
and the caller should deallocate it with
when it is no longer required.
is equivalent to the call:
returns a null-terminated string.
On error (e.g., a pathname component is unreadable or does not exist),
returns NULL and sets
to indicate the error.
For an explanation of the terms used in this section, see
This function is a GNU extension.
This page is part of release 5.10 of the Linux
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