Air_Quality_Sensor_PPD42/code/ethernet_test/webSrv/dtostrf.c

#include <stdio.h>

char *dtostrf (double val, signed char width, unsigned char prec, char *sout) {
  char fmt[20];
  sprintf(fmt, "%%%d.%df", width, prec);
  sprintf(sout, fmt, val);
  return sout;
}