diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index 517d5f9..1343e4e 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -123,12 +123,12 @@
 ssize_t     readv(int, const struct iovec*, int)   all
 ssize_t     writev(int, const struct iovec*, int)  all
 int         __fcntl64:fcntl64(int, int, void*)  lp32
-int         fcntl(int, int, void*)  lp64
+int         __fcntl:fcntl(int, int, void*)  lp64
 int         flock(int, int)   all
 int         __fchmod:fchmod(int, mode_t)  all
-int         dup(int)  all
 int         pipe2(int*, int) all
-int         dup3(int, int, int)   all
+int         __dup:dup(int)  all
+int         __dup3:dup3(int, int, int)   all
 int         fsync(int)  all
 int         fdatasync(int) all
 int         fchown:fchown32(int, uid_t, gid_t)  arm,x86
@@ -254,9 +254,9 @@
 int           shutdown(int, int)  arm,arm64,mips,mips64,x86_64
 int           setsockopt(int, int, int, const void*, socklen_t)  arm,arm64,mips,mips64,x86_64
 int           getsockopt(int, int, int, void*, socklen_t*)    arm,arm64,mips,mips64,x86_64
-ssize_t       recvmsg(int, struct msghdr*, unsigned int)   arm,arm64,mips,mips64,x86_64
+ssize_t       __recvmsg:recvmsg(int, struct msghdr*, unsigned int)   arm,arm64,mips,mips64,x86_64
 ssize_t       __sendmsg:sendmsg(int, const struct msghdr*, unsigned int)  arm,arm64,mips,mips64,x86_64
-int           recvmmsg(int, struct mmsghdr*, unsigned int, int, const struct timespec*)   arm,arm64,mips,mips64,x86_64
+int           __recvmmsg:recvmmsg(int, struct mmsghdr*, unsigned int, int, const struct timespec*)   arm,arm64,mips,mips64,x86_64
 int           __sendmmsg:sendmmsg(int, struct mmsghdr*, unsigned int, int)   arm,arm64,mips,mips64,x86_64
 
 # sockets for x86. These are done as an "indexed" call to socketcall syscall.
@@ -273,9 +273,9 @@
 int           setsockopt:socketcall:14(int, int, int, const void*, socklen_t)  x86
 int           getsockopt:socketcall:15(int, int, int, void*, socklen_t*)    x86
 int           __sendmsg:socketcall:16(int, const struct msghdr*, unsigned int)  x86
-int           recvmsg:socketcall:17(int, struct msghdr*, unsigned int)   x86
+int           __recvmsg:socketcall:17(int, struct msghdr*, unsigned int)   x86
 int           __accept4:socketcall:18(int, struct sockaddr*, socklen_t*, int)  x86
-int           recvmmsg:socketcall:19(int, struct mmsghdr*, unsigned int, int, const struct timespec*)   x86
+int           __recvmmsg:socketcall:19(int, struct mmsghdr*, unsigned int, int, const struct timespec*)   x86
 int           __sendmmsg:socketcall:20(int, struct mmsghdr*, unsigned int, int)   x86
 
 # scheduler & real-time