Section: Miscellaneous Library Functions (3X)
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form_field_userptr - associate application data with a form field
int set_field_userptr(FIELD *field, void*userptr);
void *field_userptr(const FIELD *field);
Every form field has a field that can be used to hold application-specific data
(that is, the form-driver code leaves it alone). These functions get and set
The function field_userptr returns NULL on error. The function
set_field_userptr returns one of the following:
The routine succeeded.
System error occurred (see errno).
The header file <form.h> automatically includes the header file
These routines emulate the System V forms library. They were not supported on
Version 7 or BSD versions.
The user pointer should be a void pointer. We leave it as a char pointer for
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
- RETURN VALUE
- SEE ALSO
linux.jgfs.net manual pages