getid functions

tests/.gitignore

@@ -10,6 +10,7 @@
 /fsync
 /ftruncate
 /ftruncate.out
+/getid
 /math
 /printf
 /write

tests/Makefile

@@ -8,6 +8,7 @@ BINS=\
 	fchdir \
 	fsync \
 	ftruncate \
+	getid \
 	math \
 	printf \
 	write

tests/getid.c

@@ -0,0 +1,14 @@
+#include <unistd.h>
+#include <stdio.h>
+
+int main(int argc, char** argv) {
+    gid_t egid = getegid();
+    uid_t euid = geteuid();
+    gid_t gid = getgid();
+    pid_t pgid = getpgid(0);
+    pid_t pid = getpid();
+    pid_t ppid = getppid();
+    uid_t uid = getuid();
+    printf("egid: %d, euid: %d, gid: %d, pgid: %d, pid: %d, ppid %d, uid %d\n",
+            egid, euid, gid, pgid, pid, ppid, uid);
+}