mtext_search - Locate an M-text in a specific range of another.
int mtext_search (MText * mt1, int from, int to, MText * mt2)
Locate an M-text in a specific range of another. The mtext_search()
function searches for the first occurrence of M-text mt2 in M-text mt1
in the region from and to while ignoring difference of the text
properties. If from is less than to, the forward search starts from
from, otherwise the backward search starts from to.
If mt2 is found in mt1, mtext_search() returns the position of the
first occurrence. Otherwise it returns -1. If mt2 is empty, it
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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