The PLplot Plotting Library: Programmer's Reference Manual
PrevChapter 20. The Specialized C API for PLplotNext

plOptUsage: Print usage and syntax message.

plOptUsage ();

Prints the usage and syntax message. The message can also be display using the -h command line option. There is a default message describing the default plplot options. The usage message is also modified by plSetUsage and plMergeOpts.

program_string (const char *, input)

String to appear as the name of program.

usage_string (const char *, input)

String to appear as the usage text.

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

This function is not used in any examples.

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plMinMax2dGrid: Find the minimum and maximum of a 2d grid allocated using plAlloc2dGrid.UpplMergeOpts: Reset internal option table info structure.