liblcl needs to be compatible with system strcasestr(3)
liblcl includes an internal definition of the strcasestr(3) function because Solaris libc did not provide one. This function probably originated in BSD. 6421095 introduced a definition in snv_147, and the const qualifiers for the parameters in the system declaration now conflict with the internal one.
Renaming the internal function is suggested in the flag day for 2010/299:
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