-d -- enable debug output to stderr\n\
-D -- run tracer process as a detached grandchild, not as parent\n\
-f -- follow forks, -ff -- with output into separate files\n\
--F -- attempt to follow vforks (deprecated, use -f)\n\
-i -- print instruction pointer at time of syscall\n\
-q -- suppress messages about attaching, detaching, etc.\n\
-r -- print relative timestamp, -t -- absolute timestamp, -tt -- with usecs\n\
-h -- print help message, -V -- print version\n\
-a column -- alignment COLUMN for printing syscall results (default %d)\n\
-e expr -- a qualifying expression: option=[!]all or option=[!]val1[,val2]...\n\
- options: trace, abbrev, verbose, raw, signal, read, or write\n\
+ options: trace, abbrev, verbose, raw, signal, read, write\n\
-I interruptible --\n\
1: no signals are blocked\n\
2: fatal signals are blocked while decoding syscall (default)\n\
-E var -- remove var from the environment for command\n\
-P path -- trace accesses to path\n\
"
+/* ancient, no one should use it
+-F -- attempt to follow vforks (deprecated, use -f)\n\
+ */
/* this is broken, so don't document it
-z -- print only succeeding syscalls\n\
*/