M_SOF0 2114 ext/exif/exif.c #define M_SOF0 0xC0 /* Start Of Frame N */ M_SOF0 326 ext/standard/image.c #define M_SOF0 0xC0 /* Start Of Frame N */ M_SOF0 43 ext/standard/iptc.c #define M_SOF0 0xC0 /* Start Of Frame N */