pwd.h (0p)

PROLOG

This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
 

NAME

pwd.h — password structure

SYNOPSIS

#include <pwd.h>

DESCRIPTION

The <pwd.h> header shall define the struct passwd, structure, which shall include at least the following members:
 

char *pw_name User's login name.
uid_t pw_uid Numerical user ID.
gid_t pw_gid Numerical group ID.
char *pw_dir Initial working directory.
char *pw_shell Program to use as shell.
The <pwd.h> header shall define the gid_t, uid_t, and size_t types as described in <sys/types.h>.
The following shall be declared as functions and may also be defined as macros. Function prototypes shall be provided.
 

void endpwent(void);
struct passwd *getpwent(void);
struct passwd *getpwnam(const char *);
int getpwnam_r(const char *, struct passwd *, char *,
 size_t, struct passwd **);
struct passwd *getpwuid(uid_t);
int getpwuid_r(uid_t, struct passwd *, char *,
 size_t, struct passwd **);
void setpwent(void);
The following sections are informative.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

<sys_types.h>
The System Interfaces volume of POSIX.1‐2008, endpwent(), getpwnam(), getpwuid()

Information

Source
POSIX
OS/version
IEEE/The Open Group
Source updated
January 1, 2013
Page created
March 3, 2018
Page generated
March 4, 2018