FILE_SYSTEM_PREFIX_LEN  223 lib/canonicalize-lgpl.c   idx_t prefix_len = FILE_SYSTEM_PREFIX_LEN (name);
FILE_SYSTEM_PREFIX_LEN  240 lib/canonicalize-lgpl.c       prefix_len = FILE_SYSTEM_PREFIX_LEN (rname);
FILE_SYSTEM_PREFIX_LEN  351 lib/canonicalize-lgpl.c                   idx_t pfxlen = FILE_SYSTEM_PREFIX_LEN (buf);
FILE_SYSTEM_PREFIX_LEN   81 lib/filename.h      ISSLASH ((Filename)[FILE_SYSTEM_PREFIX_LEN (Filename)])