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#include <unistd.h> #include "syscall.h" #include "libc.h" int setreuid(uid_t ruid, uid_t euid) { if (libc.rsyscall) return libc.rsyscall(__NR_setreuid, ruid, euid, 0, 0, 0, 0); return syscall(SYS_setreuid, ruid, euid); }