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Man Pages
optionNextValue(3) Programmer's Manual optionNextValue(3)

optionNextValue - get the next value from a hierarchical list

#include < your-opts.h>
 
cc [...] -o outfile infile.c -l opts [...]
const tOptionValue * optionNextValue(const tOptionValue * pOptValue, const tOptionValue * pOldValue);

This routine will return the next entry after the entry passed in. At the end of the list, NULL will be returned. If the entry is not found on the list, NULL will be returned and " errno" will be set to EINVAL. The " pOldValue" must have been gotten from a prior call to this routine or to " opitonGetValue()".
pOptValue
a hierarchcal list value
pOldValue
a value from this list

a compound value structure

The returned result is NULL and errno is set:
EINVAL - the pOptValue does not point to a valid hierarchical option value or pOldValue does not point to a member of that option value.
ENOENT - the supplied pOldValue pointed to the last entry. @end itemize

The info documentation for the -lopts library.
 
ao_string_tokenize(3), configFileLoad(3), optionFileLoad(3), optionFindNextValue(3), optionFindValue(3), optionFree(3), optionGetValue(3), optionLoadLine(3), optionMemberList(3), optionOnlyUsage(3), optionPrintVersion(3), optionPrintVersionAndReturn(3), optionProcess(3), optionRestore(3), optionSaveFile(3), optionSaveState(3), optionUnloadNested(3), optionVersion(3), strequate(3), streqvcmp(3), streqvmap(3), strneqvcmp(3), strtransform(3),
2019-01-01

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