The following Matlab project contains the source code and Matlab examples used for cat 2 or 3 strings/cell strings
c-mex: 10 times faster than strcat .
Join 2 or 3 strings and cell strings 10 times faster than STRCAT
R = CStrCatStr(A, B) or R = CStrCatStr(A, B, C)
A, B, C: Strings or cell strings.