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[/] [or1k_old/] [trunk/] [newlib/] [newlib/] [libc/] [time/] [difftime.c] - Rev 1782
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/* * difftime.c * Original Author: G. Haley */ /* FUNCTION <<difftime>>---subtract two times INDEX difftime ANSI_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]>; DESCRIPTION Subtracts the two times in the arguments: `<<<[tim1]> - <[tim2]>>>'. RETURNS The difference (in seconds) between <[tim2]> and <[tim1]>, as a <<double>>. PORTABILITY ANSI C requires <<difftime>>, and defines its result to be in seconds in 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); }