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find a hierarcicaly valued option instance
Usage:
| const tOptionValue* res = optionFindValue( pOptDesc, name, value ); | 
Where the arguments are:
| Name | Type | Description | |
| --- | --- | --------- | |
| pOptDesc |   | an option with a nested arg type | |
| name |   | name of value to find | |
| value |   | the matching value | |
| returns | const tOptionValue* | a compound value structure | 
This routine will find an entry in a nested value option or configurable. It will search through the list and return a matching entry.
The returned result is NULL and errno is set:
EINVAL - the pOptValue does not point to a valid
hierarchical option value.
ENOENT - no entry matched the given name.
 
  This document was generated by Bruce Korb on January, 27 2007 using texi2html 1.76.