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85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/*
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# Headers
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List of all headers: http://en.wikipedia.org/wiki/C_POSIX_library
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POSIX defines certain things *inside*
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headers with the same name as the ANSI stdlib ones
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which are only activated if you add the defines *before
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including those files*!
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GCC: if you want to access them with the `-ansi -c99` flags,
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you need to define `XXX_XOPEN_SOURCE`
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There are other preprocessor defines which may expose POSIX functions
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such as `_POSIX_C_SOURCE` and `POSIX_SOURCE`
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For the GNU C library, see:
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man feature_test_macros
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for an explanation.
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The actual value of the preprocessor refers to the POSIX version. For example:
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- 500: issue 5, 1995
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- 600: issue 6, 2004
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- 700: issue 7, 2008
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*/
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#define _XOPEN_SOURCE 700
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/*#define _POSIX_C_SOURCE 200112L*/
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/*#define POSIX_SOURCE*/
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/* ANSI headers to which POSIX adds extensions. */
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#include <assert.h>
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#include <limits.h> /* NZERO */
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#include <math.h> /* M_PI, M_PI_2, M_PI_4 */
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#include <stdbool.h>
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#include <stdio.h> /* popen(), perror() */
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h> /* strerror, strdup */
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#include <strings.h> /* ffs */
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/* POSIX only headers. */
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#include <arpa/inet.h>
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#include <curses.h>
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h> /* creat, O_CREAT */
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#include <libgen.h>
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#include <monetary.h> /* strfmon */
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#include <netdb.h> /* gethostbyname */
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#include <netinet/in.h>
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#include <poll.h>
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#include <pthread.h>
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#include <pwd.h> /* getpwuid, getpwnam, getpwent */
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#include <regex.h>
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#include <sched.h>
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#include <signal.h>
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#include <sys/mman.h> /* mmap, munmap */
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#include <sys/ipc.h>
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#include <sys/resource.h> /* rusage, getrusage, rlimit, getrlimit */
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#include <sys/select.h> /* select, FD_ZERO, FD_SET */
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#include <sys/sem.h> /* semget, semop, semctl */
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#include <sys/shm.h> /* shmget, shmat, etc. */
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#include <sys/socket.h>
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#include <sys/stat.h> /* S_IRUSR and family, */
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#include <sys/types.h> /* pid_t */
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#include <sys/utsname.h> /* uname, struct utsname */
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#include <sys/wait.h> /* wait, sleep */
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#include <syslog.h> /* syslog */
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#include <termios.h>
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#include <unistd.h> /* read, fork, ftruncate */
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#define TMPFILE(x) __FILE__ "__" x ".tmp"
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union semun {
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int val; /* Value for SETVAL */
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struct semid_ds *buf; /* Buffer for IPC_STAT, IPC_SET */
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unsigned short *array; /* Array for GETALL, SETALL */
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struct seminfo *__buf; /* Buffer for IPC_INFO
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(Linux-specific) */
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};
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