PUTPWENT

putpwent − write a password file entry

#include <pwd.h>
#include <stdio.h>
#include <sys/types.h>

int putpwent(const struct passwd *p, FILE *stream);

The putpwent() function writes a password entry from the structure p in the file associated with stream.

The passwd structure is defined in <pwd.h> as follows:

struct passwd {

/* user name */
char *pw_passwd;

/* user password */
uid_t pw_uid;

/* user id */
gid_t pw_gid;

/* group id */

char *pw_gecos; /* real name */

/* home directory */

char *pw_shell; /* shell program */
};

The putpwent() function returns 0 on success, or −1 if an error occurs.

EINVAL

Invalid (NULL) argument given.

SVID 3

fgetpwent(3), getpwent(3), setpwent(3), endpwent(3), getpwnam(3), getpwuid(3), getpw(3)