#include main (int argc, char *argv[]) { FILE *f; long size, i, x, y; float *buf, minx, maxx, miny, maxy, minz, maxz; f=fopen(argv[1], "r"); if(f==NULL) return(NULL); fscanf(f, "%ld\n", &size); buf=(float *)calloc(sizeof(float), size*5); for(i=0;i