137 lines
2.3 KiB
C
137 lines
2.3 KiB
C
/*
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** Various portability definitions.
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**
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** @(#)port.h e07@nikhef.nl (Eric Wassenaar) 950925
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*/
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#if defined(SYSV) || defined(SVR4)
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#define SYSV_MEMSET
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#define SYSV_STRCHR
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#define SYSV_SETVBUF
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#endif
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#if defined(__hpux) || defined(hpux)
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#define SYSV_SETVBUF
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#endif
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#if defined(RES_PRF_STATS)
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#define BIND_49
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#else
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#define BIND_48
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#endif
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#if defined(BIND_49)
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#if defined(__BIND)
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#define BIND_493
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#endif
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#endif
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/*
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** Define constants for fixed sizes.
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*/
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#ifndef INT16SZ
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#define INT16SZ 2 /* for systems without 16-bit ints */
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#endif
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#ifndef INT32SZ
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#define INT32SZ 4 /* for systems without 32-bit ints */
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#endif
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#ifndef INADDRSZ
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#define INADDRSZ 4 /* for sizeof(struct inaddr) != 4 */
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#endif
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/*
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** The following should depend on existing definitions.
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*/
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#if defined(BIND_49)
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typedef struct __res_state res_state_t;
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#else
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typedef struct state res_state_t;
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#endif
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#if defined(BIND_48)
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typedef struct rrec rrec_t;
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#else
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#if defined(BIND_493)
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typedef u_char rrec_t;
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#else
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typedef char rrec_t;
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#endif
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#endif
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#if defined(BIND_493)
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typedef u_char qbuf_t;
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#else
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typedef char qbuf_t;
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#endif
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#if defined(BIND_493)
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typedef char nbuf_t;
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#else
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typedef u_char nbuf_t;
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#endif
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#if defined(__alpha) || defined(BIND_49)
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typedef u_int ipaddr_t;
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#else
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typedef u_long ipaddr_t;
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#endif
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#if defined(apollo) || defined(_BSD_SIGNALS)
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typedef int sigtype_t;
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#else
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typedef void sigtype_t;
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#endif
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/* too primitive */
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typedef char ptr_t; /* generic pointer type */
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typedef u_int siz_t; /* general size type */
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#ifdef SYSV_MEMSET
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#define bzero(a,n) (void) memset(a,'\0',n)
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#define bcopy(a,b,n) (void) memcpy(b,a,n)
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#endif
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#ifdef SYSV_STRCHR
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#define index strchr
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#define rindex strrchr
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#endif
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#ifdef SYSV_SETVBUF
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#define linebufmode(a) (void) setvbuf(a, (char *)NULL, _IOLBF, BUFSIZ);
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#else
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#define linebufmode(a) (void) setlinebuf(a);
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#endif
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#ifdef ULTRIX_RESOLV
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#define nslist(i) _res.ns_list[i].addr
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#else
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#define nslist(i) _res.nsaddr_list[i]
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#endif
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#ifdef fp_nquery
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#define pr_query(a,n,f) fp_nquery(a,n,f)
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#else
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#define pr_query(a,n,f) fp_query(a,f)
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#endif
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#if defined(sun) && defined(NO_YP_LOOKUP)
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#define gethostbyname (struct hostent *)res_gethostbyname
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#define gethostbyaddr (struct hostent *)res_gethostbyaddr
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#endif
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/*
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** No prototypes yet.
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*/
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#define PROTO(TYPES) ()
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#if defined(__STDC__) && defined(BIND_49)
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#define CONST const
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#else
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#define CONST
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#endif
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