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16-Bit Language Tools Libraries
abs
Description:
Include:
Prototype:
Calculates the absolute value.
<stdlib.h>
int abs(int i );
Argument:
i
integer value
Return Value:
Remarks:
Example:
Returns the absolute value of i .
A negative number is returned as positive; a positive number is
unchanged.
#include <stdio.h> /* for printf */
#include <stdlib.h> /* for abs */
int main(void)
{
int i;
i = 12;
printf("The absolute value of
i, abs(i));
i = -2;
printf("The absolute value of
i, abs(i));
i = 0;
printf("The absolute value of
i, abs(i));
}
Output:
%d is
%d is
%d is
%d\n",
%d\n",
%d\n",
atexit
The absolute value of
The absolute value of
The absolute value of
12 is
-2 is
0 is
12
2
0
Description:
Include:
Prototype:
Registers the specified function to be called when the program termi-
nates normally.
<stdlib.h>
int atexit(void(* func )(void));
Argument:
func
function to be called
DS51456E-page 92
Return Value:
Remarks:
Example:
Returns a zero if successful; otherwise, returns a non-zero value.
For the registered functions to be called, the program must terminate
with the exit function call.
#include <stdio.h> /* for scanf, printf */
#include <stdlib.h> /* for atexit, exit */
void good_msg(void);
void bad_msg(void);
void end_msg(void);
? 2008 Microchip Technology Inc.
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