itdecompresses/decodes the input. Default value is 1.ifiscompressissettoanegativeinteger, (-iscompress)specifiesthecompression level. For zlib/gzip, default level is 6 (1-9);forlzma/lzip,defaultlevel is 5 (1-9);forlz4hc,defaultlevel is 8 (1-16).thedefault compression level is used if ...
/* If nonnegative, close this file descriptor and unlink remove_ofname on error. */ static int volatile remove_ofname_fd = -1; static char volatile remove_ofname[MAX_PATH_LEN]; static bool stdin_was_read; off_t bytes_in; /* number of input bytes */ off_t bytes_out; /...