Man page - fcstrcopy(3)

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Package: libfontconfig-doc
apt-get install libfontconfig-doc

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FcStrCopy - duplicate a string

#include <fontconfig/fontconfig.h>

FcChar8 * FcStrCopy (const FcChar8 * s );

Allocates memory, copies s and returns the resulting buffer. Yes, this is strdup , but that function isn’t available on every platform.