Inserts a character in a string.
Inserts the character `c' at the specified `index' in the string, sliding
the rest of the data along to make room. If `index' is negative, it counts
backward from the end of the string. Example:
uinsert(text_string, 0, prefix_letter);
Returns the number of bytes by which the trailing part of the string was
The following projects include source code containing this keyword: