Store a character into an m-text.
int mtext_set_char (MText * mt, int pos, int c)
Store a character into an M-text. The mtext_set_char() function sets character c, which has no text properties, at pos in M-text mt.
If the operation was successful, mtext_set_char() returns 0. Otherwise it returns -1 and assigns an error code to the external variable merror_code.
MERROR_RANGE
Copyright (C) 2001 Information-technology Promotion Agency (IPA)
Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology (AIST)
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