man stralloc_chop () - remove and return last char
NAME
stralloc_chop - remove and return last char
SYNTAX
#include <stralloc.h>
int stralloc_chop(stralloc* sa);
DESCRIPTION
stralloc_chop removes the last char in the stralloc (if it is empty, stralloc_chop does nothing and returns -1). This character is cast to unsigned char and returned.
RETURN VALUE
chopped character, or -1 if string was empty.