table of contents
GETUID(2) | Linux Programmer's Manual | GETUID(2) |
NAME¶
getuid, geteuid - get user identity
SYNOPSIS¶
#include <unistd.h>
#include <sys/types.h>
uid_t getuid(void);
uid_t geteuid(void);
DESCRIPTION¶
getuid() returns the real user ID of the calling process.
geteuid() returns the effective user ID of the calling process.
ERRORS¶
These functions are always successful.
CONFORMING TO¶
POSIX.1-2001, 4.3BSD.
NOTES¶
History¶
In Unix V6 the getuid() call returned (euid << 8) + uid. Unix V7 introduced separate calls getuid() and geteuid().
SEE ALSO¶
COLOPHON¶
This page is part of release 3.22 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.
1993-07-23 | Linux |