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本文导语: unix下面,没找到相关函数啊,不知道直接修改passwd行不行 | man putpwent PUTPWENT(3) Linux Programmer’s Manual PUTPWENT(3) NAME putpwent - write a pa...
unix下面,没找到相关函数啊,不知道直接修改passwd行不行
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man putpwent
PUTPWENT(3) Linux Programmer’s Manual PUTPWENT(3)
NAME
putpwent - write a password file entry
SYNOPSIS
#include
#include
#include
int putpwent(const struct passwd *p, FILE *stream);
DESCRIPTION
The putpwent() function writes a password entry from the structure p in
the file associated with stream.
The passwd structure is defined in as follows:
struct passwd {
char *pw_name; /* user name */
char *pw_passwd; /* user 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 */
};
RETURN VALUE
The putpwent() function returns 0 on success, or -1 if an error occurs.
ERRORS
EINVAL Invalid (NULL) argument given.
CONFORMING TO
SVID 3
SEE ALSO
fgetpwent(3), getpwent(3), setpwent(3), endpwent(3), getpwnam(3), getp-
wuid(3), getpw(3)
PUTPWENT(3) Linux Programmer’s Manual PUTPWENT(3)
NAME
putpwent - write a password file entry
SYNOPSIS
#include
#include
#include
int putpwent(const struct passwd *p, FILE *stream);
DESCRIPTION
The putpwent() function writes a password entry from the structure p in
the file associated with stream.
The passwd structure is defined in as follows:
struct passwd {
char *pw_name; /* user name */
char *pw_passwd; /* user 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 */
};
RETURN VALUE
The putpwent() function returns 0 on success, or -1 if an error occurs.
ERRORS
EINVAL Invalid (NULL) argument given.
CONFORMING TO
SVID 3
SEE ALSO
fgetpwent(3), getpwent(3), setpwent(3), endpwent(3), getpwnam(3), getp-
wuid(3), getpw(3)