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Return the absolute value of an integer
#include <stdlib.h>
int abs( int j );
- j
- The number you want the absolute value of.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The abs() function returns the absolute value of the integer argument j.
If the result can't be represented as an int, a warning occurs.
The absolute value of its argument.
#include <stdio.h>
#include <stdlib.h>
int main( void )
{
printf( "%d %d %d\n", abs (-5), abs (0), abs (5));
return EXIT_SUCCESS;
}
produces the following output:
5 0 5
ANSI,
POSIX 1003.1
Safety: | |
Cancellation point |
No |
Interrupt handler |
Yes |
Signal handler |
Yes |
Thread |
Yes |
cabs(),
fabs(),
labs()
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