plMergeOpts: Merge use option table into internal info structure.

The PLplot Plotting Library: Programmer's Reference Manual
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`plMergeOpts`: Merge use option table into internal info structure.

int
	    plMergeOpts

(options, name, notes);

Merges in a set of user supplied command line options with the internal options table. This allows use options to be used along with the built-in plplot options to set device driver, output file etc. See plparseopts for details of how to parse these options in a program.

options (PLOptionTable *, input): User option table to merge.
name (const char *name, input): Label to preface the options in the program help.
notes (const char **, input): A null-terminated array of notes which appear after the options in the program help.

This function is currently available in C, C++ and Ocaml.

This function is used in examples 1, 8, 16, 20 and 21.

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