ecvt
bp = ecvt(dval,
bp = ecvt(dval,
char *ecvt();
extern char *ecvt(double, int, int *, int *);
extern char *ecvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
bp = ecvt(dval, min(prec + 1, MAXECVT), &decpt, &sign);
bp = ecvt(dval, min(prec, MAXECVT), &decpt, &sign);