.\" This manpage has been automatically generated by docbook2man .\" from a DocBook document. This tool can be found at: .\" .\" Please send any bug reports, improvements, comments, patches, .\" etc. to Steve Cheng . .TH "FcCharSetIsSubset" "3" "2022/03/31" "Fontconfig 2.14.0" "" .SH NAME FcCharSetIsSubset \- Test for charset inclusion .SH SYNOPSIS .sp \fB#include .sp FcBool FcCharSetIsSubset (const FcCharSet *\fIa\fB, const FcCharSet *\fIb\fB); \fR .SH "DESCRIPTION" .PP Returns whether \fIa\fR is a subset of \fIb\fR\&.