double_parse elem_parse ensure_end_input p_cbrace p_cbracket p_comma p_cparen p_obrace p_obracket p_oparen p_whitespace set_parse span_parse spanset_parse tbox_parse tcontseq_parse tdiscseq_parse temporal_basetype_parse temporal_parse timestamp_parse tinstant_parse tsequenceset_parse

p_whitespace() void p_whitespace ( const char **  str ) Functions for parsing time types and temporal types. Many functions make two passes for parsing, the first one to obtain the number of elements in order to do memory allocation with palloc, the second one to create the type. This is the only approach we can see at the moment which is both correct and simple. Input a white space from the buffer