man mtext_pbrk () - Search an M-text for any of a set of characters.
NAME
mtext_pbrk - Search an M-text for any of a set of characters.
SYNOPSIS
int mtext_pbrk (MText * mt, MText * accept)
DESCRIPTION
The mtext_pbrk() function locates the first occurrence in M-text mt1 of any of the characters in M-text mt2.
RETURN VALUE
This function returns the position in mt1 of the found character. If no such character is found, it returns -1.