.nf
.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
.B #include <unistd.h>
-.PP
+.P
.BI "int getresuid(uid_t *" ruid ", uid_t *" euid ", uid_t *" suid );
.BI "int getresgid(gid_t *" rgid ", gid_t *" egid ", gid_t *" sgid );
.fi
.SH HISTORY
Linux 2.1.44,
glibc 2.3.2.
-.PP
+.P
The original Linux
.BR getresuid ()
and