Function std::gzip_decompress
struct Vec<unsigned char> gzip_decompress(
[]const unsigned char data,
unsigned long max_out,
?&int ok,
)Decodes every concatenated member (as gunzip does), checking each member's CRC-32 and length; optional header fields (FEXTRA, FNAME, FCOMMENT, FHCRC) are skipped. *ok = 0 on any malformed member.