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mtext_get_prop_keys

NAME

mtext_get_prop_keys − Get a list of text property keys at a position of an M−text.

SYNOPSIS

int mtext_get_prop_keys (MText * mt, int pos, MSymbol ** keys)

DESCRIPTION

Get a list of text property keys at a position of an M−text. The mtext_get_prop_keys() function creates an array whose elements are the keys of text properties found at position pos in M−text mt, and sets *keys to the address of the created array. The user is responsible to free the memory allocated for the array.

RETURN VALUE

If the operation was successful, mtext_get_prop_keys() returns the length of the key list. Otherwise it returns −1 and assigns an error code to the external variable merror_code.

ERRORS

MERROR_RANGE

SEE ALSO

mtext_get_prop(), mtext_put_prop(), mtext_put_prop_values(), mtext_get_prop_values(), mtext_push_prop(), mtext_pop_prop()

COPYRIGHT

Copyright (C) 2001 Information−technology Promotion Agency (IPA)
Copyright (C) 2001−2011 National Institute of Advanced Industrial Science and Technology (AIST)
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License <http://www.gnu.org/licenses/fdl.html>.

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