diff options
Diffstat (limited to 'popt/popt.3')
| -rw-r--r-- | popt/popt.3 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/popt/popt.3 b/popt/popt.3 index 8d17f17c8..0d9e0b0d3 100644 --- a/popt/popt.3 +++ b/popt/popt.3 @@ -169,6 +169,12 @@ specified to win; for example, "rm -i -f". \fBPOPT_ARG_VAL\fP causes the parsing function not to return a value, since the value of \fIval\fP has already been used. .sp +If the \fIargInfo\fR value is bitwise or'd with \fBPOPT_ARGFLAG_OPTIONAL\fR, +the argument to the long option may be omitted. If the long option +is used without an argument, a default value of zero or NULL will be saved +(if the arg pointer is present), otherwise behavior will be identical to +a long option with argument. +.sp .RI "The next option, " val ", is the value popt's parsing function should return when the option is encountered. If it is 0, the parsing function does not return a value, instead parsing the next |