optionGetValue man page on Mageia
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optionGetValue(3) Programmer's Manual optionGetValue(3)
NAME
optionGetValue - get a specific value from a hierarcical list
SYNOPSIS
#include <your-opts.h>
cc [...] -o outfile infile.c -lopts [...]
const tOptionValue* optionGetValue(const tOptionValue* pOptValue, char
const* valueName);
DESCRIPTION
This routine will find an entry in a nested value option or config‐
urable. If "valueName" is NULL, then the first entry is returned.
Otherwise, the first entry with a name that exactly matches the argu‐
ment will be returned. If there is no matching value, NULL is returned
and errno is set to ENOENT. If the provided option value is not a hier‐
archical value, NULL is also returned and errno is set to EINVAL.
pOptValue
a hierarchcal value
valueName
name of value to get
RETURN VALUE
a compound value structure
ERRORS
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. @end itemize
SEE ALSO
The info documentation for the -lopts library.
ao_string_tokenize(3), configFileLoad(3), optionFileLoad(3), option‐
FindNextValue(3), optionFindValue(3), optionFree(3), optionLoadLine(3),
optionMemberList(3), optionNextValue(3), optionOnlyUsage(3), optionPro‐
cess(3), optionRestore(3), optionSaveFile(3), optionSaveState(3),
optionUnloadNested(3), optionVersion(3), strequate(3), streqvcmp(3),
streqvmap(3), strneqvcmp(3), strtransform(3),
2013-10-21 optionGetValue(3)
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