Hello friends I tried to patch mannasim in ns-2.34
I got error.
I did
@ubuntu$patch -p1 < ns2.34-mannasim-gcc4.3.patch
error

patching file ns-2.34/apps/udp.cc
Hunk #1 FAILED at 93.
Hunk #2 FAILED at 108.
2 out of 2 hunks FAILED -- saving rejects to file ns-2.34/apps/udp.cc.rej
patching file ns-2.34/common/ns-process.h
Hunk #1 FAILED at 84.
Hunk #2 FAILED at 107.
2 out of 2 hunks FAILED -- saving rejects to file ns-2.34/common/ns-process.h.rej
patching file ns-2.34/common/packet.cc
Hunk #1 FAILED at 61.
1 out of 1 hunk FAILED -- saving rejects to file ns-2.34/common/packet.cc.rej
patching file ns-2.34/common/packet.h
Hunk #1 FAILED at 70.
Hunk #2 FAILED at 182.
Hunk #3 FAILED at 383.
Hunk #4 FAILED at 521.
Hunk #5 FAILED at 636.
Hunk #6 FAILED at 667.
Hunk #7 FAILED at 740.
Hunk #8 FAILED at 764.
8 out of 8 hunks FAILED -- saving rejects to file ns-2.34/common/packet.h.rej
patching file ns-2.34/Makefile.in
Hunk #1 FAILED at 328.
1 out of 1 hunk FAILED -- saving rejects to file ns-2.34/Makefile.in.rej

problem is solved
cd ns-allinone-2.34/
patch -p1 < ns2.34-mannasim-gcc4.3.patch
$ sudo su
./install
cd ns-2.34/ ; cp ns ns-mannasim
./ns-mannasim mannasim-rede-plana.tcl