5.025006
is_c9strict_utf8_string        # U
is_c9strict_utf8_string_loc    # U
is_c9strict_utf8_string_loclen # U
is_strict_utf8_string          # U
is_strict_utf8_string_loc      # U
is_strict_utf8_string_loclen   # U
is_utf8_fixed_width_buf_flags  # U
is_utf8_fixed_width_buf_loc_flags # U
is_utf8_fixed_width_buf_loclen_flags # U
is_utf8_string_flags           # U
is_utf8_string_loc_flags       # U
is_utf8_string_loclen_flags    # U
SvPVCLEAR                      # U
sv_setpv_bufsize               # U
utf8n_to_uvchr_error           # U