TODO revision 1fe93d5b55ad2b8d4009a63e343db19cc1f21bb0 
1* Option -p: disable breakpoints on exit
2* Option -f (trace children)
3* Option -u (run command as username handling setuid and/or setgid)
4* SYSCALLS:
5  + execve()		<- trace new program
6* Display different argument types:
7  + format
8  + how to display execl...?
9* Update /etc/ltrace.conf
10* SPARC:
11  + almost all...
12* netscape:
13  + Why does it show so many `breakpointed at:' messages?
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