Hoja de ayuda

Hoja de ayuda. Curso 2010-2011
void
(* signal (int sig, void (*handler) ())) ();
void handler (int sig [, int code, struct sigcontext *scp]);
unsigned int
alarm (unsigned int seconds);
int
atexit(void (*func)(void));
int
atoi(const char *str);
int
close (int fd);
int
closedir(DIR *dir);
int
dup(int fildes);
int
dup2(int fildes, int fildes2);
int
execl (const char *path, const char *arg0, ..., const char *argn,
char * /*NULL*/);
int
execle (const char *path, const char *arg0, ..., const char *argn,
char * /*NULL*/, char *const envp[]);
int
execlp (const char *file, const char *arg0,...,const char *argn,
char * /*NULL*/);
int
execv (const char *path, char *const argv[]);
int
execve (const char *path, char *const argv[], char *const envp[]);
int
execvp (const char *file, char *const argv[]);
void
exit (int status);
int
fclose(FILE *stream);
FILE *
fdopen (int fd, char *mode);
FILE *
fopen(const char *filename, const char *mode);
pid_t
fork(void);
int
fprintf(FILE *stream, const char *format, /* args*/...);
size_t
fread(void *ptr, size_t size, size_t nitems, FILE *stream);
int
fscanf(FILE*stream, const char *format, ...);
int
fstat(int filedes, struct stat *buf);
key_t
ftok(const char *path, int id);
size_t
fwrite(const void *ptr, size_t size, size_t nitems, FILE *stream);
char *
getcwd(char *buf, size_t size);
char *
getenv(const char *nombre);
pid_t
getpid(void);
pid_t
getppid(void);
uid_t
getuid(void);
int
kill(pid_t pid, int sig);
int
lstat(const char *file_name, struct stat *buf);
int
open (char *name, int how_to_open, int mode);
DIR *
opendir(const char *name);
int
pause(void);
int
pipe (int fildes[2]);
int
printf(const char *format, /* args*/ ...);
int
raise(int sig);
ssize_t
read (int fd, void *buffer, size_t num_bytes);
struct dirent *readdir(DIR *dir);
void
rewinddir(DIR *dir);
int
scanf(const char *format, ...);
int
semctl(int semid, int semnum, int cmd, /* union semun arg */...);
int
semget(key_t key, int nsems, int semflg);
int
semop (int semd, struct sembuf *sops, int nsops);
unsigned int
sleep(unsigned int seconds) ;
int
sprintf(char *s, const char *format, /* args*/ ...);
int
snprintf(char *s, int tam, const char *format, /* args*/ ...);
int
sscanf(const char *s, const char *format, ...);
int
stat(const char *file_name, struct stat *buf);
char *
strcat(char *s1, const char *s2);
int
strcmp(const char *s1, const char *s2);
char *
strcpy(char *s1, const char *s2);
int
system(const char *string);
pid_t
wait(int *stat_loc);
pid_t
waitpid(pid_t pid, int *stat_loc, int options);
ssize_t
write (int fd, void *buffer, size_t num_bytes);
Puede tratar los valores almacenados en variables de tipo key_t, pid_t, size_t y
ssize_t como números enteros.
/* Definiciones de estructuras
struct dirent {
ino_t
d_ino;
off_t
d_off;
unsigned short d_reclen;
*/
/* Número de i-nodo */
/* Offset de la siguiente ent. */
/* Longitud de la estructura de la
entrada de directorio */
d_name[MAXNAMELEN]; /* Nombre del archivo*/
char
};
struct stat
{
dev_t
st_dev;
ino_t
st_ino;
mode_t
st_mode;
nlink_t
st_nlink;
uid_t
st_uid;
gid_t
st_gid;
dev_t
st_rdev;
off_t
st_size;
unsigned long st_blksize;
unsigned long st_blocks;
time_t
st_atime;
time_t
st_mtime;
time_t
st_ctime;
};
struct sembuf {
ushort_t
short
short
};
sem_num;
sem_op;
sem_flg;
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
device */
inode */
protection */
number of hard links */
user ID of owner */
group ID of owner */
device type (if inode device) */
total size, in bytes */
blocksize for filesystem I/O */
number of blocks allocated */
time of last access */
time of last modification */
time of last change */
/* semaphore # */
/* semaphore operation */
/* operation flags */
/* Definiciones de constantes */
#define O_RDONLY
0
#define O_WRONLY
1
#define O_RDWR
2
#define O_APPEND
0x08
#define O_CREAT
0x100
#define O_TRUNC
0x200
#define O_EXCL
0x400
#define
#define
#define
#define
#define
#define
#define
#define
#define
#define
#define
#define
#define
#define
#define
#define
#define
#define
S_IFMT
S_IAMB
S_IFIFO
S_IFCHR
S_IFDIR
S_IFBLK
S_IFREG
S_IFLNK
S_IFSOCK
S_IFDOOR
S_ISUID
S_ISGID
S_ISVTX
S_IREAD
S_IWRITE
S_IEXEC
S_IRUSR
S_IWUSR
0xF000
0x1FF
0x1000
0x2000
0x4000
0x6000
0x8000
0xA000
0xC000
0xD000
0x800
0x400
0x200
00400
00200
00100
00400
00200
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
/*
type of file */
access mode bits */
fifo */
character special */
directory */
block special */
regular */
symbolic link */
socket */
door */
set user id on execution */
set group id on execution */
save swapped text even after use */
read permission, owner */
write permission, owner */
execute/search permission, owner */
read permission: owner */
write permission: owner */
#define
#define
#define
#define
#define
S_IRGRP
S_IWGRP
S_IROTH
S_IWOTH
S_ENFMT
/* Códigos de error */
#define EINTR
4
00040
00020
00004
00002
S_ISGID
/*
/*
/*
/*
/*
read permission: group */
write permission: group */
read permission: other */
write permission: other */
record locking enforcement flag */
/* interrupted system call
/* Constantes de manejo de señales */
SIG_DFL
SIG_IGN
SIG_ERR
/* Constantes de mecanismos IPC de comunicación entre procesos */
IPC_PRIVATE
IPC_CREAT
IPC_EXCL
IPC_NOWAIT
SEM_UNDO
IPC_STAT
IPC_SET
IPC_RMID
/* Librería de semáforos */
typedef int Semaph;
int Semaph_Create (char nombre_sem[], int valor_ini);
void
Semaph_Destroy(char nombre_sem[],int sem);
void
Semaph_Down
(int sem);
void
Semaph_Up
(int sem);
void
Semaph_Set
(int sem, int val);
int
Semaph_Get
(int sem);
int
Semaph_Print (int sem);
*/