Get the value of an single precision, floating point-valued option from an option file.

PASCAL

status = PMDF_option_get_real

(opt_context, name, value)

argument information

Argument	Data type	Access	Mechanism
opt_context	context pointer	read	value
name	descriptor	read	reference
value	single precision real	write	reference

C

status = PMDFoptionGetReal

(opt_context, name, name_len, value)

argument information

int PMDFoptionGetReal(PMDF_opt *opt_context, char *name, int name_len, float *value)

Arguments

opt_context

Pointer to context information generated by a previous call to PMDFoptionRead .

name

Name of the option to obtain the value of. Name can not exceed a length in bytes of SHORT_ALFA . Option names are treated as case insensitive strings.

name_len

Length in bytes of the option name.

value

Value of the specified option.

Description

PMDFoptionGetReal returns in value the value of the specified option. If the option was not specified in the option file or if opt_context is zero (nil), then the content of value is left unchanged.

Return Values

PMDF__OK	Normal, successful completion.
PMDF__INVSTRDES	Invalid string descriptor for name: descriptor has an invalid value in its DSC$B_CLASS field. No option value returned.
PMDF__STRTRUERR	Supplied name string exceeds the maximum permitted length. No option value returned.