png_check_fp_number 1453 3rdparty/libpng/png.c    if (png_check_fp_number(string, size, &state, &char_index) &&
png_check_fp_number 1601 3rdparty/libpng/pngpriv.h PNG_EXTERN int png_check_fp_number PNGARG((png_const_charp string,
png_check_fp_number 2133 3rdparty/libpng/pngrutil.c    if (!png_check_fp_number(png_ptr->chunkdata, slength, &state, &i) ||
png_check_fp_number 2145 3rdparty/libpng/pngrutil.c       if (!png_check_fp_number(png_ptr->chunkdata, slength, &state, &i) ||