String handling

Modules
	svn_string_t functions
	svn_string_t functions.
	svn_stringbuf_t functions
	svn_stringbuf_t functions.
	c string functions
	C strings.
Data Structures
struct	svn_string_t
	A simple counted string. More...
struct	svn_stringbuf_t
	A buffered string, capable of appending without an allocation and copy for each append. More...

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