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Almost all UNIX operating systems have voluminous documentation known as manual pages. Every page is a document. If one wants to read a page then the command man at a shell prompt will show the manual, for example, "man ftp". Pages are referred by using the notation "name(manual-section)", for example time(1).

Man Page :: Unix Man Pages - canonicalize_file_name

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NAME

canonicalize_file_name - return the canonicalized filename

SYNOPSIS

#define _GNU_SOURCE #include <stdlib.h>

char *canonicalize_file_name(const char * path );

DESCRIPTION

The call canonicalize_file_name(path) is equivalent to the call realpath(path,\ NULL) .

CONFORMING TO

The function is a GNU extension.