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.TP
LC_VAR_SIZE_INT
For a "int" integer type that can have size modifiers, such as 'G' or gigabytes, 'M' for megabytes, 'K' for kilobytes. The data passed should be of type "int *".
.TP
LC_VAR_SIZE_SHORT
For a "short" integer type that can have size modifiers, such as 'G' or gigabytes, 'M' for megabytes, 'K' for kilobytes. The data passed should be of type "short *".
.TP
LC_VAR_TIME
Not implemented.
.TP
LC_VAR_DATE
Not implemented.
.TP
LC_VAR_BOOL_BY_EXISTANCE
This type of variable takes no arguments, it is set to true (1) by its existance in a configuration file, environment variable, or on the command line. If it is not specified, the value of the data passed is not changed. The data passed should be of type "int *".
.SH "RETURN VALUE"
On success 0 is returned, otherwise -1 is returned.
.SH EXAMPLE
.nf
#include <libconfig.h>
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.TP
LC_VAR_SIZE_INT
For a "int" integer type that can have size modifiers, such as 'G' or gigabytes, 'M' for megabytes, 'K' for kilobytes. The data passed should be of type "int *".
.TP
LC_VAR_SIZE_SHORT
For a "short" integer type that can have size modifiers, such as 'G' or gigabytes, 'M' for megabytes, 'K' for kilobytes. The data passed should be of type "short *".
.TP
LC_VAR_SIZE_SIZE_T
For a "size_t" data type that can have size modifiers, such as 'G' or gigabytes, 'M' for megabytes, 'K' for kilobytes. The data passed should be of type "size_t *".
.TP
LC_VAR_TIME
Not implemented.
.TP
LC_VAR_DATE
Not implemented.
.TP
LC_VAR_BOOL_BY_EXISTANCE
This type of variable takes no arguments, it is set to true (1) by its existance in a configuration file, environment variable, or on the command line. If it is not specified, the value of the data passed is not changed. The data passed should be of type "int *".
.TP
LC_VAR_CIDR
XXX: blah
.TP
LC_VAR_IP
XXX: blah
.SH "RETURN VALUE"
On success 0 is returned, otherwise -1 is returned.
.SH EXAMPLE
.nf
#include <libconfig.h>
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