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void VCSAgStrlcat(CHAR *dst, const CHAR *src, int size)
This primitive concatenates the contents of the input buffer "src" to the contents of the output buffer "dst" up to a maximum such that the total number of characters in the buffer "dst" do not exceed the value of "size." Here, "size" refers to the size of the output buffer "dst."
This helps prevent any buffer overflow errors. The output contained in the buffer "dst" may be truncated if the buffer is not big enough.