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NAME

       mtext_character -

SYNOPSIS

       int mtext_character (MText * mt, int from, int to, int c)

DESCRIPTION

       Search a character in an M-text. The mtext_character() function searches M-text mt for
       character c. If from is less than to, the search begins at position from and goes forward
       but does not exceed (to - 1). Otherwise, the search begins at position (from - 1) and goes
       backward but does not exceed to. An invalid position specification is regarded as both
       from and to being 0.

RETURN VALUE

           If c is found, mtext_character() returns the position of its first occurrence.
           Otherwise it returns -1 without changing the external variable merror_code. If an
           error is detected, it returns -1 and assigns an error code to the external variable
           merror_code.

SEE ALSO

           mtext_chr(), mtext_rchr()

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>.