Pointer to the argument of the current option, or null. Argument
strings persist for as long as the underlying command line argument
array
.I argv
does, so it's usually safe just to remember the pointer.
.TP
Pointer to the argument of the current option, or null. Argument
strings persist for as long as the underlying command line argument
array
.I argv
does, so it's usually safe just to remember the pointer.
.TP