Pwd.h

/* Copyright (C) 1991,1992,1995-2001,2003,2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA. */ /* *	POSIX Standard: 9.2.2 User Database Access	  */ __BEGIN_DECLS /* The Single Unix specification says that some more types are available here. */ typedef __gid_t gid_t; typedef __uid_t uid_t; /* The passwd structure. */ struct passwd {  char *pw_name;		/* Username. */  char *pw_passwd;		/* Password. */  __uid_t pw_uid;		/* User ID. */  __gid_t pw_gid;		/* Group ID. */  char *pw_gecos;		/* Real name. */  char *pw_dir;			/* Home directory. */  char *pw_shell;		/* Shell program. */ }; /* Rewind the password-file stream. This function is a possible cancellation point and therefore not marked with __THROW. */ extern void setpwent (void); /* Close the password-file stream. This function is a possible cancellation point and therefore not marked with __THROW. */ extern void endpwent (void); /* Read an entry from the password-file stream, opening it if necessary. This function is a possible cancellation point and therefore not marked with __THROW. */ extern struct passwd *getpwent (void); /* Read an entry from STREAM. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern struct passwd *fgetpwent (FILE *__stream); /* Write the given entry onto the given stream. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern int putpwent (__const struct passwd *__restrict __p, 		    FILE *__restrict __f); /* Search for an entry with a matching user ID. This function is a possible cancellation point and therefore not marked with __THROW. */ extern struct passwd *getpwuid (__uid_t __uid); /* Search for an entry with a matching username. This function is a possible cancellation point and therefore not marked with __THROW. */ extern struct passwd *getpwnam (__const char *__name); /* Reasonable value for the buffer sized used in the reentrant functions below. But better use `sysconf'. */ /* Reentrant versions of some of the functions above. PLEASE NOTE: the `getpwent_r' function is not (yet) standardized. The interface may change in later versions of this library. But the interface is designed following the principals used for the other reentrant functions so the chances are good this is what the POSIX people would choose. */ /* This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern int getpwent_r (struct passwd *__restrict __resultbuf, 		      char *__restrict __buffer, size_t __buflen, 		       struct passwd **__restrict __result); extern int getpwuid_r (__uid_t __uid, 		      struct passwd *__restrict __resultbuf, 		       char *__restrict __buffer, size_t __buflen, 		       struct passwd **__restrict __result); extern int getpwnam_r (__const char *__restrict __name, 		      struct passwd *__restrict __resultbuf, 		       char *__restrict __buffer, size_t __buflen, 		       struct passwd **__restrict __result); /* Read an entry from STREAM. This function is not standardized and probably never will. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern int fgetpwent_r (FILE *__restrict __stream, 			struct passwd *__restrict __resultbuf, 			char *__restrict __buffer, size_t __buflen, 			struct passwd **__restrict __result); /* Re-construct the password-file line for the given uid in the given buffer. This knows the format that the caller will expect, but this need not be the format of the password file. This function is not part of POSIX and therefore no official cancellation point. But due to similarity with an POSIX interface or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern int getpw (__uid_t __uid, char *__buffer); __END_DECLS
 * 1) ifndef	_PWD_H
 * 2) define	_PWD_H	1
 * 1) include 
 * 1) include 
 * 1) define __need_size_t
 * 2) include 
 * 1) if defined __USE_XOPEN || defined __USE_XOPEN2K
 * 1) ifndef __gid_t_defined
 * 1)  define __gid_t_defined
 * 2) endif
 * 1) ifndef __uid_t_defined
 * 1)  define __uid_t_defined
 * 2) endif
 * 3) endif
 * 1) if defined __USE_SVID || defined __USE_GNU
 * 2) define __need_FILE
 * 3) include 
 * 4) endif
 * 1) if defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN_EXTENDED
 * 1) endif
 * 1) ifdef	__USE_SVID
 * 1) endif
 * 1) if defined __USE_POSIX || defined __USE_MISC
 * 1) ifdef __USE_MISC
 * 1)  define NSS_BUFLEN_PASSWD	1024
 * 2) endif
 * 1) if defined __USE_SVID || defined __USE_MISC
 * 1) endif
 * 1) ifdef	__USE_SVID
 * 1) endif
 * 1) endif	/* POSIX or reentrant */
 * 1) ifdef __USE_GNU
 * 1) endif
 * 1) endif /* pwd.h */