Other Alias
getuidLIBRARY
Lb libcSYNOPSIS
In unistd.h In sys/types.h Ft uid_t Fn getuid void Ft uid_t Fn geteuid voidDESCRIPTION
The Fn getuid system call returns the real user ID of the calling process. The Fn geteuid system call returns the effective user ID of the calling process.The real user ID is that of the user who has invoked the program. As the effective user ID gives the process additional permissions during execution of ``set-user-ID '' mode processes, Fn getuid is used to determine the real-user-id of the calling process.
ERRORS
The Fn getuid and Fn geteuid system calls are always successful, and no return value is reserved to indicate an error.STANDARDS
The Fn geteuid and Fn getuid system calls are expected to conform to St -p1003.1-90 .HISTORY
The Fn getuid and Fn geteuid functions appeared in AT&T System v7 .