strtoId
extern int strtoId ANSI((CONST char*, char**, double*, double*));
strtoId(CONST char *s, char **sp, double *f0, double *f1)
j = strtoId(ibuf, &se1, &dd1, &dd2);
printf("strtoId returns %d,", strtoId(ibuf, &se, fI, &fI[1]));