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
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>.