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1. /* SCCS Id: @(#)system.h 3.4 2001/12/07 */ 2. /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 3. /* NetHack may be freely redistributed. See license for details. */ 4. 5. #ifndef SYSTEM_H 6. #define SYSTEM_H 7. 8. #if !defined(__cplusplus) && !defined(__GO32__) 9. 10. #define E extern 11. 12. /* some old <sys/types.h> may not define off_t and size_t; if your system is 13. * one of these, define them by hand below 14. */ 15. #if (defined(VMS) && !defined(__GNUC__)) || defined(MAC) 16. #include <types.h> 17. #else 18. # ifndef AMIGA 19. # ifndef __WATCOMC__ 20. #include <sys/types.h> 21. # endif 22. # endif 23. #endif 24. 25. #if (defined(MICRO) && !defined(TOS)) || defined(ANCIENT_VAXC) 26. # if !defined(_SIZE_T) && !defined(__size_t) /* __size_t for CSet/2 */ 27. # define _SIZE_T 28. # if !((defined(MSDOS) || defined(OS2)) && defined(_SIZE_T_DEFINED)) /* MSC 5.1 */ 29. # if !(defined(__GNUC__) && defined(AMIGA)) 30. typedef unsigned int size_t; 31. # endif 32. # endif 33. # endif 34. #endif /* MICRO && !TOS */ 35. 36. #if defined(__TURBOC__) || defined(MAC) 37. #include <time.h> /* time_t is not in <sys/types.h> */ 38. #endif 39. #if defined(ULTRIX) && !(defined(ULTRIX_PROTO) || defined(NHSTDC)) 40. /* The Ultrix v3.0 <sys/types.h> seems to be very wrong. */ 41. # define time_t long 42. #endif 43. 44. #if defined(ULTRIX) || defined(VMS) 45. # define off_t long 46. #endif 47. #if defined(AZTEC) || defined(THINKC4) || defined(__TURBOC__) 48. typedef long off_t; 49. #endif 50. 51. #endif /* !__cplusplus && !__GO32__ */ 52. 53. /* You may want to change this to fit your system, as this is almost 54. * impossible to get right automatically. 55. * This is the type of signal handling functions. 56. */ 57. #if !defined(OS2) && (defined(_MSC_VER) || defined(__TURBOC__) || defined(__SC__) || defined(WIN32)) 58. # define SIG_RET_TYPE void (__cdecl *)(int) 59. #endif 60. #ifndef SIG_RET_TYPE 61. # if defined(NHSTDC) || defined(POSIX_TYPES) || defined(OS2) || defined(__DECC) 62. # define SIG_RET_TYPE void (*)(int) 63. # endif 64. #endif 65. #ifndef SIG_RET_TYPE 66. # if defined(ULTRIX) || defined(SUNOS4) || defined(SVR3) || defined(SVR4) 67. /* SVR3 is defined automatically by some systems */ 68. # define SIG_RET_TYPE void (*)() 69. # endif 70. #endif 71. #ifndef SIG_RET_TYPE /* BSD, SIII, SVR2 and earlier, Sun3.5 and earlier */ 72. # define SIG_RET_TYPE int (*)() 73. #endif 74. 75. #if !defined(__cplusplus) && !defined(__GO32__) 76. 77. #if defined(BSD) || defined(ULTRIX) || defined(RANDOM) 78. # ifdef random 79. # undef random 80. # endif 81. # if !defined(__SC__) && !defined(__CYGWIN__) && !defined(LINUX) 82. E long NDECL(random); 83. # endif 84. # if (!defined(SUNOS4) && !defined(bsdi) && !defined(__FreeBSD__)) || defined(RANDOM) 85. E void FDECL(srandom, (unsigned int)); 86. # else 87. # if !defined(bsdi) && !defined(LINUX) && !defined(__CYGWIN__) && !defined(__FreeBSD__) 88. E int FDECL(srandom, (unsigned int)); 89. # endif 90. # endif 91. #else 92. E long FDECL(lrand48, (void)); 93. E void FDECL(srand48, (long)); 94. #endif /* BSD || ULTRIX || RANDOM */ 95. 96. #if !defined(BSD) || defined(ultrix) 97. /* real BSD wants all these to return int */ 98. # ifndef MICRO 99. E void FDECL(exit, (int)); 100. # endif /* MICRO */ 101. /* compensate for some CSet/2 bogosities */ 102. # if defined(OS2_CSET2) && defined(OS2_CSET2_VER_2) 103. # define open _open 104. # define close _close 105. # define read _read 106. # define write _write 107. # define lseek _lseek 108. # define chdir _chdir 109. # define getcwd _getcwd 110. # define setmode _setmode 111. # endif /* OS2_CSET2 && OS2_CSET2_VER_2 */ 112. /* If flex thinks that we're not __STDC__ it declares free() to return 113. int and we die. We must use __STDC__ instead of NHSTDC because 114. the former is naturally what flex tests for. */ 115. # if defined(__STDC__) || !defined(FLEX_SCANNER) 116. # ifndef OS2_CSET2 117. # ifndef MONITOR_HEAP 118. E void FDECL(free, (genericptr_t)); 119. # endif 120. # endif 121. # endif 122. #if !defined(__SASC_60) && !defined(_DCC) && !defined(__SC__) 123. # if defined(AMIGA) && !defined(AZTEC_50) && !defined(__GNUC__) 124. E int FDECL(perror, (const char *)); 125. # else 126. # if !(defined(ULTRIX_PROTO) && defined(__GNUC__)) 127. E void FDECL(perror, (const char *)); 128. # endif 129. # endif 130. #endif 131. #endif 132. #ifndef NeXT 133. #ifdef POSIX_TYPES 134. E void FDECL(qsort, (genericptr_t,size_t,size_t, 135. int(*)(const genericptr,const genericptr))); 136. #else 137. # if (defined(BSD) || defined(ULTRIX)) && (!defined(LINUX) && !defined(__CYGWIN__)) 138. E int qsort(); 139. # else 140. # if !defined(LATTICE) && !defined(AZTEC_50) 141. E void FDECL(qsort, (genericptr_t,size_t,size_t, 142. int(*)(const genericptr,const genericptr))); 143. # endif 144. # endif 145. #endif 146. #endif /* NeXT */ 147. 148. #ifndef __SASC_60 149. #if !defined(AZTEC_50) && !defined(__GNUC__) 150. /* may already be defined */ 151. 152. # ifdef ULTRIX 153. # ifdef ULTRIX_PROTO 154. E int FDECL(lseek, (int,off_t,int)); 155. # else 156. E long FDECL(lseek, (int,off_t,int)); 157. # endif 158. /* Ultrix 3.0 man page mistakenly says it returns an int. */ 159. E int FDECL(write, (int,char *,int)); 160. E int FDECL(link, (const char *, const char*)); 161. # else 162. # ifndef bsdi 163. E long FDECL(lseek, (int,long,int)); 164. # endif 165. # if defined(POSIX_TYPES) || defined(__TURBOC__) || defined(_MSC_VER) 166. # ifndef bsdi 167. E int FDECL(write, (int, const void *,unsigned)); 168. # endif 169. # else 170. # ifndef __MWERKS__ /* metrowerks defines write via universal headers */ 171. E int FDECL(write, (int,genericptr_t,unsigned)); 172. # endif 173. # endif 174. # endif /* ULTRIX */ 175. 176. # ifdef OS2_CSET2 /* IBM CSet/2 */ 177. # ifdef OS2_CSET2_VER_1 178. E int FDECL(unlink, (char *)); 179. # else 180. # ifndef __SC__ 181. E int FDECL(unlink, (const char *)); 182. # else 183. E int FDECL(unlink, (const char *)); /* prototype is ok in ver >= 2 */ 184. # endif 185. # endif 186. # endif 187. 188. #endif /* AZTEC_50 && __GNUC__ */ 189. 190. #ifdef MAC 191. #ifndef __CONDITIONALMACROS__ /* universal headers */ 192. E int FDECL(close, (int)); /* unistd.h */ 193. E int FDECL(read, (int, char *, int)); /* unistd.h */ 194. E int FDECL(chdir, (const char *)); /* unistd.h */ 195. E char *FDECL(getcwd, (char *,int)); /* unistd.h */ 196. #endif 197. 198. E int FDECL(open, (const char *,int)); 199. #endif 200. 201. #if defined(MICRO) 202. E int FDECL(close, (int)); 203. #ifndef __EMX__ 204. E int FDECL(read, (int,genericptr_t,unsigned int)); 205. #endif 206. E int FDECL(open, (const char *,int,...)); 207. E int FDECL(dup2, (int, int)); 208. E int FDECL(setmode, (int,int)); 209. E int NDECL(kbhit); 210. # if !defined(_DCC) && !defined(__MINGW32__) 211. # if defined(__TURBOC__) || defined(_MSC_VER) 212. E int FDECL(chdir, (const char *)); 213. # else 214. # ifndef __EMX__ 215. E int FDECL(chdir, (char *)); 216. # endif 217. # endif 218. # ifndef __EMX__ 219. E char *FDECL(getcwd, (char *,int)); 220. # endif 221. # endif /* !_DCC */ 222. #endif 223. 224. #ifdef ULTRIX 225. E int FDECL(close, (int)); 226. E int FDECL(atoi, (const char *)); 227. E int FDECL(chdir, (const char *)); 228. # if !defined(ULTRIX_CC20) && !defined(__GNUC__) 229. E int FDECL(chmod, (const char *,int)); 230. E mode_t FDECL(umask, (int)); 231. # endif 232. E int FDECL(read, (int,genericptr_t,unsigned)); 233. /* these aren't quite right, but this saves including lots of system files */ 234. E int FDECL(stty, (int,genericptr_t)); 235. E int FDECL(gtty, (int,genericptr_t)); 236. E int FDECL(ioctl, (int, int, char*)); 237. E int FDECL(isatty, (int)); /* 1==yes, 0==no, -1==error */ 238. #include <sys/file.h> 239. # if defined(ULTRIX_PROTO) || defined(__GNUC__) 240. E int NDECL(fork); 241. # else 242. E long NDECL(fork); 243. # endif 244. #endif /* ULTRIX */ 245. 246. #ifdef VMS 247. # ifndef abs 248. E int FDECL(abs, (int)); 249. # endif 250. E int FDECL(atexit, (void (*)(void))); 251. E int FDECL(atoi, (const char *)); 252. E int FDECL(chdir, (const char *)); 253. E int FDECL(chown, (const char *,unsigned,unsigned)); 254. # ifdef __DECC_VER 255. E int FDECL(chmod, (const char *,mode_t)); 256. E mode_t FDECL(umask, (mode_t)); 257. # else 258. E int FDECL(chmod, (const char *,int)); 259. E int FDECL(umask, (int)); 260. # endif 261. /* #include <unixio.h> */ 262. E int FDECL(close, (int)); 263. E int VDECL(creat, (const char *,unsigned,...)); 264. E int FDECL(delete, (const char *)); 265. E int FDECL(fstat, ( /*_ int, stat_t * _*/ )); 266. E int FDECL(isatty, (int)); /* 1==yes, 0==no, -1==error */ 267. E long FDECL(lseek, (int,long,int)); 268. E int VDECL(open, (const char *,int,unsigned,...)); 269. E int FDECL(read, (int,genericptr_t,unsigned)); 270. E int FDECL(rename, (const char *,const char *)); 271. E int FDECL(stat, ( /*_ const char *,stat_t * _*/ )); 272. E int FDECL(write, (int,const genericptr,unsigned)); 273. #endif 274. 275. #endif /* __SASC_60 */ 276. 277. /* both old & new versions of Ultrix want these, but real BSD does not */ 278. #ifdef ultrix 279. E void abort(); 280. E void bcopy(); 281. # ifdef ULTRIX 282. E int FDECL(system, (const char *)); 283. # ifndef _UNISTD_H_ 284. E int FDECL(execl, (const char *, ...)); 285. # endif 286. # endif 287. #endif 288. #ifdef MICRO 289. E void NDECL(abort); 290. E void FDECL(_exit, (int)); 291. E int FDECL(system, (const char *)); 292. #endif 293. #if defined(HPUX) && !defined(_POSIX_SOURCE) 294. E long NDECL(fork); 295. #endif 296. 297. #ifdef POSIX_TYPES 298. /* The POSIX string.h is required to define all the mem* and str* functions */ 299. #include <string.h> 300. #else 301. #if defined(SYSV) || defined(VMS) || defined(MAC) || defined(SUNOS4) 302. # if defined(NHSTDC) || (defined(VMS) && !defined(ANCIENT_VAXC)) 303. # if !defined(_AIX32) && !(defined(SUNOS4) && defined(__STDC__)) && !defined(LINUX) 304. /* Solaris unbundled cc (acc) */ 305. E int FDECL(memcmp, (const void *,const void *,size_t)); 306. E void *FDECL(memcpy, (void *, const void *, size_t)); 307. E void *FDECL(memset, (void *, int, size_t)); 308. # endif 309. # else 310. # ifndef memcmp /* some systems seem to macro these back to b*() */ 311. E int memcmp(); 312. # endif 313. # ifndef memcpy 314. E char *memcpy(); 315. # endif 316. # ifndef memset 317. E char *memset(); 318. # endif 319. # endif 320. #else 321. # ifdef HPUX 322. E int FDECL(memcmp, (char *,char *,int)); 323. E void *FDECL(memcpy, (char *,char *,int)); 324. E void *FDECL(memset, (char*,int,int)); 325. # endif 326. #endif 327. #endif /* POSIX_TYPES */ 328. 329. #if defined(MICRO) && !defined(LATTICE) 330. # if defined(TOS) && defined(__GNUC__) 331. E int FDECL(memcmp, (const void *,const void *,size_t)); 332. E void *FDECL(memcpy, (void *,const void *,size_t)); 333. E void *FDECL(memset, (void *,int,size_t)); 334. # else 335. # if defined(AZTEC_50) || defined(NHSTDC) || defined(WIN32) 336. E int FDECL(memcmp, (const void *, const void *, size_t)); 337. E void *FDECL(memcpy, (void *, const void *, size_t)); 338. E void *FDECL(memset, (void *, int, size_t)); 339. # else 340. E int FDECL(memcmp, (char *,char *,unsigned int)); 341. E char *FDECL(memcpy, (char *,char *,unsigned int)); 342. E char *FDECL(memset, (char*,int,int)); 343. # endif /* AZTEC_50 || NHSTDC */ 344. # endif /* TOS */ 345. #endif /* MICRO */ 346. 347. #if defined(BSD) && defined(ultrix) /* i.e., old versions of Ultrix */ 348. E void sleep(); 349. #endif 350. #if defined(ULTRIX) || defined(SYSV) 351. E unsigned sleep(unsigned); 352. #endif 353. #if defined(HPUX) 354. E unsigned int FDECL(sleep, (unsigned int)); 355. #endif 356. #ifdef VMS 357. E int FDECL(sleep, (unsigned)); 358. #endif 359. 360. E char *FDECL(getenv, (const char *)); 361. E char *getlogin(void); 362. #if defined(HPUX) && !defined(_POSIX_SOURCE) 363. E long NDECL(getuid); 364. E long NDECL(getgid); 365. E long NDECL(getpid); 366. #else 367. # ifdef POSIX_TYPES 368. E pid_t NDECL(getpid); 369. E uid_t NDECL(getuid); 370. E gid_t NDECL(getgid); 371. # ifdef VMS 372. E pid_t NDECL(getppid); 373. # endif 374. # else /*!POSIX_TYPES*/ 375. # ifndef getpid /* Borland C defines getpid() as a macro */ 376. E int NDECL(getpid); 377. # endif 378. # ifdef VMS 379. E int NDECL(getppid); 380. E unsigned NDECL(getuid); 381. E unsigned NDECL(getgid); 382. # endif 383. # if defined(ULTRIX) && !defined(_UNISTD_H_) 384. E unsigned NDECL(getuid); 385. E unsigned NDECL(getgid); 386. E int FDECL(setgid, (int)); 387. E int FDECL(setuid, (int)); 388. # endif 389. # endif /*?POSIX_TYPES*/ 390. #endif /*?(HPUX && !_POSIX_SOURCE)*/ 391. 392. /* add more architectures as needed */ 393. #if defined(HPUX) 394. #define seteuid(x) setreuid(-1, (x)); 395. #endif 396. 397. /*# string(s).h #*/ 398. #if !defined(_XtIntrinsic_h) && !defined(POSIX_TYPES) 399. /* <X11/Intrinsic.h> #includes <string[s].h>; so does defining POSIX_TYPES */ 400. 401. #if (defined(ULTRIX) || defined(NeXT)) && defined(__GNUC__) 402. #include <strings.h> 403. #else 404. E char *FDECL(strcpy, (char *,const char *)); 405. E char *FDECL(strncpy, (char *,const char *,size_t)); 406. E char *FDECL(strcat, (char *,const char *)); 407. E char *FDECL(strncat, (char *,const char *,size_t)); 408. E char *FDECL(strpbrk, (const char *,const char *)); 409. 410. # if defined(SYSV) || defined(MICRO) || defined(MAC) || defined(VMS) || defined(HPUX) 411. E char *FDECL(strchr, (const char *,int)); 412. E char *FDECL(strrchr, (const char *,int)); 413. # else /* BSD */ 414. E char *FDECL(index, (const char *,int)); 415. E char *FDECL(rindex, (const char *,int)); 416. # endif 417. 418. E int FDECL(strcmp, (const char *,const char *)); 419. E int FDECL(strncmp, (const char *,const char *,size_t)); 420. # if defined(MICRO) || defined(MAC) || defined(VMS) 421. E size_t FDECL(strlen, (const char *)); 422. # else 423. # ifdef HPUX 424. E unsigned int FDECL(strlen, (char *)); 425. # else 426. # if !(defined(ULTRIX_PROTO) && defined(__GNUC__)) && !defined(LINUX) 427. E int FDECL(strlen, (const char *)); 428. # endif 429. # endif /* HPUX */ 430. # endif /* MICRO */ 431. #endif /* ULTRIX */ 432. 433. #endif /* !_XtIntrinsic_h_ && !POSIX_TYPES */ 434. 435. #if defined(ULTRIX) && defined(__GNUC__) 436. E char *FDECL(index, (const char *,int)); 437. E char *FDECL(rindex, (const char *,int)); 438. #endif 439. 440. /* Old varieties of BSD have char *sprintf(). 441. * Newer varieties of BSD have int sprintf() but allow for the old char *. 442. * Several varieties of SYSV and PC systems also have int sprintf(). 443. * If your system doesn't agree with this breakdown, you may want to change 444. * this declaration, especially if your machine treats the types differently. 445. * If your system defines sprintf, et al, in stdio.h, add to the initial 446. * #if. 447. */ 448. #if defined(ULTRIX) || defined(__DECC) || defined(__SASC_60) || defined(WIN32) 449. #define SPRINTF_PROTO 450. #endif 451. #if (defined(SUNOS4) && defined(__STDC__)) || defined(_AIX32) 452. #define SPRINTF_PROTO 453. #endif 454. #if defined(TOS) || defined(AZTEC_50) || defined(__sgi) || defined(__GNUC__) 455. /* problem with prototype mismatches */ 456. #define SPRINTF_PROTO 457. #endif 458. #if defined(__MWERKS__) || defined(__SC__) 459. /* Metrowerks already has a prototype for sprintf() */ 460. # define SPRINTF_PROTO 461. #endif 462. 463. #ifndef SPRINTF_PROTO 464. # if defined(POSIX_TYPES) || defined(DGUX) || defined(NeXT) || !defined(BSD) 465. E int FDECL(sprintf, (char *,const char *,...)); 466. # else 467. # define OLD_SPRINTF 468. E char *sprintf(); 469. # endif 470. #endif 471. #ifdef SPRINTF_PROTO 472. # undef SPRINTF_PROTO 473. #endif 474. 475. #ifndef __SASC_60 476. #ifdef NEED_VARARGS 477. # if defined(USE_STDARG) || defined(USE_VARARGS) 478. # if !defined(SVR4) && !defined(apollo) 479. # if !(defined(ULTRIX_PROTO) && defined(__GNUC__)) 480. # if !(defined(SUNOS4) && defined(__STDC__)) /* Solaris unbundled cc (acc) */ 481. E int FDECL(vsprintf, (char *, const char *, va_list)); 482. E int FDECL(vfprintf, (FILE *, const char *, va_list)); 483. E int FDECL(vprintf, (const char *, va_list)); 484. # endif 485. # endif 486. # endif 487. # else 488. # define vprintf printf 489. # define vfprintf fprintf 490. # define vsprintf sprintf 491. # endif 492. #endif /* NEED_VARARGS */ 493. #endif 494. 495. 496. #ifdef MICRO 497. E int FDECL(tgetent, (const char *,const char *)); 498. E void FDECL(tputs, (const char *,int,int (*)())); 499. E int FDECL(tgetnum, (const char *)); 500. E int FDECL(tgetflag, (const char *)); 501. E char *FDECL(tgetstr, (const char *,char **)); 502. E char *FDECL(tgoto, (const char *,int,int)); 503. #else 504. # if ! (defined(HPUX) && defined(_POSIX_SOURCE)) 505. E int FDECL(tgetent, (char *,const char *)); 506. E void FDECL(tputs, (const char *,int,int (*)())); 507. # endif 508. E int FDECL(tgetnum, (const char *)); 509. E int FDECL(tgetflag, (const char *)); 510. E char *FDECL(tgetstr, (const char *,char **)); 511. E char *FDECL(tgoto, (const char *,int,int)); 512. #endif 513. 514. #ifdef ALLOC_C 515. E genericptr_t FDECL(malloc, (size_t)); 516. #endif 517. 518. /* time functions */ 519. 520. # ifndef LATTICE 521. # if !(defined(ULTRIX_PROTO) && defined(__GNUC__)) 522. # ifndef __WATCOMC__ 523. E struct tm *FDECL(localtime, (const time_t *)); 524. # endif 525. # endif 526. # endif 527. 528. # if defined(ULTRIX) || (defined(BSD) && defined(POSIX_TYPES)) || defined(SYSV) || defined(MICRO) || defined(VMS) || defined(MAC) || (defined(HPUX) && defined(_POSIX_SOURCE)) 529. # ifndef __WATCOMC__ 530. E time_t FDECL(time, (time_t *)); 531. # endif 532. # else 533. E long FDECL(time, (time_t *)); 534. # endif /* ULTRIX */ 535. 536. #ifdef VMS 537. /* used in makedefs.c, but missing from gcc-vms's <time.h> */ 538. E char *FDECL(ctime, (const time_t *)); 539. #endif 540. 541. 542. #ifdef MICRO 543. # ifdef abs 544. # undef abs 545. # endif 546. E int FDECL(abs, (int)); 547. # ifdef atoi 548. # undef atoi 549. # endif 550. E int FDECL(atoi, (const char *)); 551. #endif 552. 553. #undef E 554. 555. #endif /* !__cplusplus && !__GO32__ */ 556. 557. #endif /* SYSTEM_H */