png_text_compress_init 1236 pngwutil.c        png_text_compress_init(&comp, profile, profile_len);
png_text_compress_init 1655 pngwutil.c        png_text_compress_init(&comp, (png_const_bytep)text,
png_text_compress_init 1740 pngwutil.c        png_text_compress_init(&comp, (png_const_bytep)text, strlen(text));