/* * difftime.c * Original Author:	G. Haley *//*FUNCTION<<difftime>>---subtract two timesINDEX	difftimeANSI_SYNOPSIS	#include <time.h>	double difftime(time_t <[tim1]>, time_t <[tim2]>);TRAD_SYNOPSIS	#include <time.h>	double difftime(<[tim1]>, <[tim2]>)	time_t <[tim1]>;	time_t <[tim2]>;DESCRIPTIONSubtracts the two times in the arguments: `<<<[tim1]> - <[tim2]>>>'.RETURNSThe difference (in seconds) between <[tim2]> and <[tim1]>, as a <<double>>.PORTABILITYANSI C requires <<difftime>>, and defines its result to be in secondsin all implementations.<<difftime>> requires no supporting OS subroutines.*/#include <time.h>double_DEFUN (difftime, (tim1, tim2),	time_t tim1 _AND	time_t tim2){  return (double)(tim1 - tim2);}