Provided by: libfontconfig-doc_2.15.0-2.3ubuntu1_all 

NAME
FcStrCmpIgnoreCase - compare UTF-8 strings ignoring case
SYNOPSIS
#include <fontconfig/fontconfig.h>
int FcStrCmpIgnoreCase (const FcChar8 *s1, const FcChar8 *s2);
DESCRIPTION
Returns the usual <0, 0, >0 result of comparing s1 and s2. This test is case-insensitive for all proper
UTF-8 encoded strings.
Fontconfig 2.15.0 04 July 2025 FcStrCmpIgnoreCase(3)