checkfilesys
(void)checkfilesys(blockcheck(*argv), 0, 0L, 0);
static int checkfilesys(char *, char *, long, int);
(void)checkfilesys(blockcheck(*argv), 0, 0L, 0);
int checkfilesys(char *, char *, long, int);
int checkfilesys(const char *);
exit (checkfilesys(blockcheck(*argv)));