histptr           229 third_party/libjpeg/jquant2.c   register histptr histp;
histptr           319 third_party/libjpeg/jquant2.c   histptr histp;
histptr           506 third_party/libjpeg/jquant2.c   histptr histp;
histptr           865 third_party/libjpeg/jquant2.c   register histptr cachep;	/* pointer into main cache array */
histptr           922 third_party/libjpeg/jquant2.c   register histptr cachep;
histptr           961 third_party/libjpeg/jquant2.c   histptr cachep;