execve("./man_ex", ["./man_ex"], [/* 43 vars */]) = 0
brk(NULL)                               = 0x8039d000
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
mmap2(NULL, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7799000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=134513, ...}) = 0
mmap2(NULL, 134513, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7778000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\1\1\1\3\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\360\203\1\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1787812, ...}) = 0
mmap2(NULL, 1796636, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb75c1000
mmap2(0xb7772000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b0000) = 0xb7772000
mmap2(0xb7775000, 10780, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7775000
close(3)                                = 0
set_thread_area({entry_number:-1, base_addr:0xb779b7c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0 (entry_number:6)
mprotect(0xb7772000, 8192, PROT_READ)   = 0
mprotect(0x800da000, 4096, PROT_READ)   = 0
mprotect(0xb77c3000, 4096, PROT_READ)   = 0
munmap(0xb7778000, 134513)              = 0
pipe([3, 4])                            = 0
pipe([5, 6])                            = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xb779b828) = 7771
close(5)                                = 0
write(6, "ls -la", 6)                   = 6
read(3,