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RENAME(2) Linux Programmer¡¯s Manual RENAME(2)
NAME
rename - change the name or location of a file
SYNOPSIS
#include <stdio.h>
int rename(const char *oldpath, const char *newpath);
DESCRIPTION
rename renames a file, moving it between directories if required.
Any other hard links to the file (as created using link(2)) are unaffected.
If newpath already exists it will be atomically replaced (subject to a few conditions - see ERRORS below), so
that there is no point at which another process attempting to access newpath will find it missing
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