If in print to memory mode, reset the buffer to the beginning. */

Deflate compressor passed as fuction pointer to LodePNG to have it use Zopfli as its compression backend.

See IntAttribute()

Query as a double. See IntValue()

Return the errorID.

See IntAttribute()

Query as a float. See IntValue()

copied from an old code, need to refactor someday

Cost model which should exactly match fixed tree. type: CostModelFun */

Cost model based on symbol statistics. type: CostModelFun */

Return a possibly helpful diagnostic location or string.

Return a possibly helpful secondary diagnostic location or string.

Returns true if this document has a leading Byte Order Mark of UTF8. */

Given an attribute name, IntAttribute() returns the value of the attribute interpreted as an integer. 0 will be returned if there is an erro

IntValue interprets the attribute as an integer, and returns the value. If the value isn't an integer, 0 will be returned. There is no error c

Anything in the high order range of UTF-8 is assumed to not be whitespace. This isn't correct, but simple, and usually works.

Get the last child node, or null if none exists.

Comparator for sorting the leaves. Has the function signature for qsort. */

Call it after ReleaseStream / SetStream */