void purple_util_chrreplace ( char* string, char delimiter, char replacement )
Given a string, this replaces all instances of one character with another. This happens inline (the original string IS modified).
The string from which to replace stuff.
The data is owned by the caller of the function. The value is a NUL terminated UTF-8 string.
The character you want replaced.
The character you want inserted in place of the delimiting character.