9. System Databases Manager¶

9.1. Introduction¶

The system databases manager is …

The directives provided by the system databases manager are:

getgrgid - Get Group File Entry for ID
getgrgid_r - Reentrant Get Group File Entry
getgrnam - Get Group File Entry for Name
getgrnam_r - Reentrant Get Group File Entry for Name
getpwuid - Get Password File Entry for UID
getpwuid_r - Reentrant Get Password File Entry for UID
getpwnam - Get Password File Entry for Name
getpwnam_r - Reentrant Get Password File Entry for Name

9.2. Background¶

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9.3. Operations¶

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9.4. Directives¶

This section details the system databases manager’s directives. A subsection is dedicated to each of this manager’s directives and describes the calling sequence, related constants, usage, and status codes.

9.4.1. getgrgid - Get Group File Entry for ID¶

CALLING SEQUENCE:

#include <grp.h>
struct group *getgrgid(
    gid_t gid
);

STATUS CODES:

E

The

DESCRIPTION:

NOTES:

9.4.2. getgrgid_r - Reentrant Get Group File Entry¶

CALLING SEQUENCE:

#include <grp.h>
int getgrgid_r(
    gid_t gid,
    struct group *grp,
    char *buffer,
    size_t bufsize,
    struct group **result
);

STATUS CODES:

E

The

DESCRIPTION:

NOTES:

9.4.3. getgrnam - Get Group File Entry for Name¶

CALLING SEQUENCE:

#include <grp.h>
struct group *getgrnam(
    const char *name
);

STATUS CODES:

E

The

DESCRIPTION:

NOTES:

9.4.4. getgrnam_r - Reentrant Get Group File Entry for Name¶

CALLING SEQUENCE:

#include <grp.h>
int getgrnam_r(
    const char *name,
    struct group *grp,
    char *buffer,
    size_t bufsize,
    struct group **result
);

STATUS CODES:

E

The

DESCRIPTION:

NOTES:

9.4.5. getpwuid - Get Password File Entry for UID¶

CALLING SEQUENCE:

#include <pwd.h>
struct passwd *getpwuid(
    uid_t uid
);

STATUS CODES:

E

The

DESCRIPTION:

NOTES:

9.4.6. getpwuid_r - Reentrant Get Password File Entry for UID¶

CALLING SEQUENCE:

#include <pwd.h>
int getpwuid_r(
    uid_t uid,
    struct passwd *pwd,
    char *buffer,
    size_t bufsize,
    struct passwd **result
);

STATUS CODES:

E

The

DESCRIPTION:

NOTES:

9.4.7. getpwnam - Password File Entry for Name¶

CALLING SEQUENCE:

#include <pwd.h>
struct passwd *getpwnam(
    const char *name
);

STATUS CODES:

E

The

DESCRIPTION:

NOTES:

9.4.8. getpwnam_r - Reentrant Get Password File Entry for Name¶

CALLING SEQUENCE:

#include <pwd.h>
int getpwnam_r(
    const char *name,
    struct passwd *pwd,
    char *buffer,
    size_t bufsize,
    struct passwd **result
);

STATUS CODES:

E

The

DESCRIPTION:

NOTES: