Number of values in array or object

This function is called whenever there is a non-fatal error. This function * should not be changed. If there is a need to handle warnings different

Internal position extraction function

Optionally skip data and then check the CRC. Depending on whether we * are reading a ancillary or critical chunk, and how the program has set * thi

const char* Value::CZString::c_str() const { return cstr_; }

Removal functions/operators

This function was added at libpng version 1.2.3. The png_malloc_warn() * function will set up png_malloc() to issue a png_warning and return NULL *

Insertion/removal convenience functions

Read data, and (optionally) run it through the CRC. */

Place a 32-bit number into a buffer in PNG byte order. We work * with unsigned numbers for convenience, although one supported * ancillary chunk us