chksum 103 ext/fileinfo/libmagic/is_tar.c recsum = from_oct(8, header->header.chksum); chksum 111 ext/fileinfo/libmagic/is_tar.c for (i = sizeof(header->header.chksum); --i >= 0;) chksum 112 ext/fileinfo/libmagic/is_tar.c sum -= header->header.chksum[i]; chksum 113 ext/fileinfo/libmagic/is_tar.c sum += ' ' * sizeof header->header.chksum; chksum 60 ext/fileinfo/libmagic/tar.h char chksum[8];