100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
#include <limits.h>
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#define MACHINE "i386"
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#define quad "struct _quad"
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#if 0
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#define emalloc malloc
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#endif
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#define MAXNAMLEN NAME_MAX
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#define MAXPATHLEN PATH_MAX
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/*
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* File system parameters and macros //DF_DSC May not be meaningful in NT
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*
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* The file system is made out of blocks of at most MAXBSIZE units, with
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* smaller units (fragments) only in the last direct block. MAXBSIZE
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* primarily determines the size of buffers in the buffer pool. It may be
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* made larger without any effect on existing file systems; however making
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* it smaller make make some file systems unmountable.
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*/
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#define MAXBSIZE 8192
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#define MAXFRAG 8
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#define BLOCK_SIZE 512
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#define FD_SETSIZE 256
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/* fnmatch() */
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#define FNM_PATHNAME 0x01 /* match pathnames, not filenames */
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#define FNM_QUOTE 0x02 /* escape special chars with \ */
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typedef unsigned long fd_set;
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#define NFDBITS 32
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#define FD_SET(n, p) (*p |= (1 << ((n) % NFDBITS)))
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#define FD_CLR(n, p) (*p &= ~(1 << ((n) % NFDBITS)))
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#define FD_ISSET(n, p) (*p & (1 << ((n) % NFDBITS)))
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typedef unsigned char u_char;
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typedef unsigned int u_int;
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typedef unsigned short u_short;
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typedef unsigned long u_long;
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struct _quad { long val[2]; };
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typedef long * qaddr_t; /* should be typedef quad * qaddr_t; */
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extern int optind; /* character checked for validity */
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extern char *optarg; /* argument associated with option */
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#define LITTLE_ENDIAN 1
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#define BYTE_ORDER LITTLE_ENDIAN
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union wait {
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int w_status; /* used in syscall */
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/*
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* Terminated process status.
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*/
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struct {
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#if BYTE_ORDER == LITTLE_ENDIAN
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unsigned int w_termsig:7, /* termination signal */
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w_Coredump:1, /* core dump indicator */
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w_retcode:8, /* exit code if w_termsig==0 */
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w_Filler:16; /* upper bits filler */
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#endif
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#if BYTE_ORDER == BIG_ENDIAN
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unsigned int w_Filler:16, /* upper bits filler */
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w_retcode:8, /* exit code if w_termsig==0 */
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w_Coredump:1, /* core dump indicator */
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w_termsig:7; /* termination signal */
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#endif
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} w_T;
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/*
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* Stopped process status. Returned
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* only for traced children unless requested
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* with the WUNTRACED option bit.
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*/
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struct {
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#if BYTE_ORDER == LITTLE_ENDIAN
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unsigned int w_Stopval:8, /* == W_STOPPED if stopped */
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w_Stopsig:8, /* signal that stopped us */
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w_Filler:16; /* upper bits filler */
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#endif
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#if BYTE_ORDER == BIG_ENDIAN
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unsigned int w_Filler:16, /* upper bits filler */
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w_Stopsig:8, /* signal that stopped us */
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w_Stopval:8; /* == W_STOPPED if stopped */
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#endif
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} w_S;
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};
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/*
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* Structure returned by gettimeofday(2) system call,
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* and used in other calls.
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*/
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struct timeval {
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long tv_sec; /* seconds */
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long tv_usec; /* and microseconds */
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};
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