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OpenDarwin 7.2.1 - man page for form_field_info (opendarwin section 3X)

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form_field_info(3X)							      form_field_info(3X)

       form_field_info - retrieve field characteristics

       #include <form.h>
       int field_info(const FIELD *field, int *rows, int *cols,
		     int *frow, int *fcol, int *nrow, int *nbuf);
       int dynamic_field_info(const FIELD *field, int *rows, int *cols, int *max);

       The  function  field_info returns the sizes and other attributes passed in to the field at
       its creation time.  The attributes are: height, width, row of upper-left corner, column of
       upper-left corner, number off-screen rows, and number of working buffers.

       The function dynamic_field_info returns the actual size of the field, and its maximum pos-
       sible size.  If the field has no size limit, the location addressed by the third  argument
       will be set to 0.  (A field can be made dynamic by turning off the O_STATIC).

       These routines return one of the following:

       E_OK The routine succeeded.

	    System error occurred (see errno).

	    Routine detected an incorrect or out-of-range argument.

       curses(3X)  and	related  pages whose names begin "form_" for detailed descriptions of the
       entry points.

       The header file <form.h> automatically includes the header file <curses.h>.

       These routines emulate the System V forms library.  They were not supported on  Version	7
       or BSD versions.

       A null (zero pointer) is accepted for any of the return values, to ignore that value.  Not
       all implementations allow this, e.g., Solaris 2.7 does not.

       Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric S. Raymond.

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