LT_FILENAME_MAX    64 ltdl/libltdl/lt__dirent.h   char d_name[LT_FILENAME_MAX];
LT_FILENAME_MAX    52 ltdl/lt__dirent.c   char file_spec[LT_FILENAME_MAX];
LT_FILENAME_MAX    49 ltdl/ltdl.c    #if !defined(LT_FILENAME_MAX)
LT_FILENAME_MAX  1029 ltdl/ltdl.c      size_t	line_len = LT_FILENAME_MAX;