Provided by: libfontconfig1-dev_2.11.94-0ubuntu1.1_amd64 

NAME
FcStrDowncase - create a lower case translation of a string
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcChar8 * FcStrDowncase (const FcChar8 *s);
DESCRIPTION
Allocates memory, copies s, converting upper case letters to lower case and returns the allocated buffer.
Fontconfig 2.11.94 02 6月 2015 FcStrDowncase(3)